| 16APR13 |
$56.19 |
$57.15 |
$56.00 |
$57.01 |
$57.01 |
8,629,600 |
| 15APR13 |
$56.98 |
$57.48 |
$55.69 |
$55.84 |
$55.84 |
9,197,900 |
| 12APR13 |
$57.90 |
$57.90 |
$56.81 |
$57.31 |
$57.31 |
6,315,400 |
| 11APR13 |
$57.42 |
$58.04 |
$57.21 |
$57.78 |
$57.78 |
7,291,200 |
| 10APR13 |
$56.33 |
$57.58 |
$56.28 |
$57.30 |
$57.30 |
8,001,300 |
| 09APR13 |
$55.44 |
$56.45 |
$55.32 |
$56.07 |
$56.07 |
6,264,200 |
| 08APR13 |
$55.42 |
$56.84 |
$55.29 |
$55.87 |
$55.87 |
10,187,600 |
| 05APR13 |
$54.73 |
$55.59 |
$54.50 |
$55.52 |
$55.52 |
7,236,300 |
| 04APR13 |
$55.34 |
$55.87 |
$55.10 |
$55.79 |
$55.79 |
5,906,800 |
| 03APR13 |
$55.81 |
$56.00 |
$55.32 |
$55.50 |
$55.50 |
11,496,400 |
| 02APR13 |
$56.26 |
$56.79 |
$55.95 |
$56.16 |
$56.16 |
15,229,100 |
| 01APR13 |
$55.64 |
$56.75 |
$55.44 |
$55.71 |
$55.71 |
20,619,900 |
| 28MAR13 |
$52.04 |
$54.51 |
$51.45 |
$54.22 |
$54.22 |
24,210,600 |
| 27MAR13 |
$51.66 |
$52.58 |
$50.95 |
$52.07 |
$52.07 |
12,416,500 |
| 26MAR13 |
$51.67 |
$52.14 |
$51.10 |
$52.09 |
$52.09 |
10,759,300 |
| 25MAR13 |
$53.40 |
$53.40 |
$51.13 |
$51.31 |
$51.31 |
18,177,500 |
| 22MAR13 |
$53.01 |
$53.46 |
$52.96 |
$53.27 |
$53.27 |
8,501,200 |
| 21MAR13 |
$52.20 |
$53.05 |
$51.94 |
$52.92 |
$52.92 |
14,056,500 |
| 20MAR13 |
$51.67 |
$52.61 |
$51.05 |
$52.42 |
$52.42 |
14,632,700 |
| 19MAR13 |
$51.00 |
$51.38 |
$50.46 |
$51.10 |
$51.10 |
14,623,700 |
| 18MAR13 |
$49.86 |
$50.55 |
$49.55 |
$50.11 |
$50.11 |
14,339,000 |
| 15MAR13 |
$51.72 |
$52.08 |
$50.33 |
$50.41 |
$50.41 |
21,767,000 |
| 14MAR13 |
$51.79 |
$52.90 |
$51.60 |
$51.80 |
$51.80 |
17,144,800 |
| 13MAR13 |
$52.96 |
$53.00 |
$50.62 |
$50.98 |
$50.98 |
19,805,200 |
| 12MAR13 |
$51.70 |
$53.10 |
$50.90 |
$52.96 |
$52.96 |
16,123,900 |
| 11MAR13 |
$53.10 |
$53.34 |
$52.67 |
$52.76 |
$52.76 |
8,965,000 |
| 08MAR13 |
$53.18 |
$53.46 |
$52.26 |
$53.13 |
$53.13 |
13,077,000 |
| 07MAR13 |
$53.69 |
$53.87 |
$52.75 |
$52.98 |
$52.98 |
9,450,000 |
| 06MAR13 |
$54.98 |
$55.00 |
$53.44 |
$53.57 |
$53.57 |
14,560,300 |
| 05MAR13 |
$55.55 |
$56.00 |
$54.76 |
$55.26 |
$55.26 |
9,812,600 |
| 04MAR13 |
$54.34 |
$55.49 |
$54.25 |
$55.48 |
$55.48 |
9,750,900 |
| 01MAR13 |
$54.59 |
$55.10 |
$54.02 |
$54.90 |
$54.90 |
6,422,900 |
| 28FEB13 |
$54.50 |
$55.18 |
$54.26 |
$54.71 |
$54.71 |
9,575,500 |
| 27FEB13 |
$54.02 |
$54.56 |
$53.67 |
$54.15 |
$54.15 |
7,662,300 |
| 26FEB13 |
$53.77 |
$53.97 |
$53.12 |
$53.82 |
$53.82 |
8,463,000 |
| 25FEB13 |
$55.41 |
$55.65 |
$53.60 |
$53.61 |
$53.61 |
7,336,400 |
| 22FEB13 |
$54.96 |
$55.13 |
$54.57 |
$55.02 |
$55.02 |
5,087,300 |
| 21FEB13 |
$55.34 |
$55.58 |
$53.90 |
$54.62 |
$54.62 |
10,728,400 |
| 20FEB13 |
$56.90 |
$57.10 |
$55.48 |
$55.53 |
$55.53 |
7,396,000 |
| 19FEB13 |
$56.86 |
$56.98 |
$56.36 |
$56.68 |
$56.68 |
5,702,100 |
| 15FEB13 |
$56.81 |
$57.15 |
$56.41 |
$56.70 |
$56.70 |
9,130,200 |
| 14FEB13 |
$56.79 |
$57.12 |
$56.63 |
$56.83 |
$56.83 |
7,054,800 |
| 13FEB13 |
$56.86 |
$57.26 |
$56.41 |
$57.05 |
$57.05 |
9,096,000 |
| 12FEB13 |
$56.40 |
$57.18 |
$56.11 |
$56.78 |
$56.78 |
10,023,700 |
| 11FEB13 |
$56.52 |
$56.58 |
$55.75 |
$56.41 |
$56.41 |
5,150,900 |
| 08FEB13 |
$56.46 |
$57.08 |
$56.39 |
$56.62 |
$56.62 |
8,066,900 |
| 07FEB13 |
$56.17 |
$56.39 |
$55.35 |
$56.13 |
$56.13 |
7,646,600 |
| 06FEB13 |
$56.01 |
$56.50 |
$55.72 |
$56.11 |
$56.11 |
7,003,300 |
| 05FEB13 |
$56.03 |
$56.87 |
$55.80 |
$56.42 |
$56.42 |
6,184,900 |
| 04FEB13 |
$56.65 |
$56.73 |
$55.63 |
$55.69 |
$55.69 |
8,659,200 |
| 01FEB13 |
$56.41 |
$57.27 |
$56.13 |
$57.21 |
$57.21 |
8,471,400 |
| 31JAN13 |
$55.36 |
$56.26 |
$55.31 |
$55.97 |
$55.97 |
7,946,400 |
| 30JAN13 |
$55.98 |
$56.50 |
$55.52 |
$55.78 |
$55.78 |
6,979,300 |
| 29JAN13 |
$55.66 |
$55.84 |
$55.29 |
$55.66 |
$55.66 |
7,037,200 |
| 28JAN13 |
$56.19 |
$56.34 |
$55.73 |
$55.95 |
$55.95 |
7,876,400 |
| 25JAN13 |
$56.00 |
$56.66 |
$55.92 |
$56.53 |
$56.53 |
13,330,200 |
| 24JAN13 |
$53.58 |
$55.34 |
$53.57 |
$55.19 |
$55.19 |
12,732,500 |
| 23JAN13 |
$53.39 |
$54.02 |
$53.33 |
$53.38 |
$53.38 |
9,036,800 |
| 22JAN13 |
$54.15 |
$54.32 |
$53.06 |
$53.37 |
$53.37 |
10,678,200 |
| 18JAN13 |
$54.17 |
$54.50 |
$53.70 |
$54.21 |
$54.21 |
10,558,700 |
| 17JAN13 |
$54.13 |
$54.88 |
$53.75 |
$54.17 |
$54.17 |
24,458,600 |
| 16JAN13 |
$52.93 |
$53.46 |
$51.88 |
$52.90 |
$52.90 |
22,142,700 |
| 15JAN13 |
$53.19 |
$53.46 |
$52.36 |
$52.51 |
$52.51 |
9,624,400 |
| 14JAN13 |
$53.58 |
$53.67 |
$52.83 |
$53.18 |
$53.18 |
10,600,100 |
| 11JAN13 |
$53.14 |
$53.83 |
$53.06 |
$53.70 |
$53.70 |
11,445,200 |
| 10JAN13 |
$53.34 |
$53.50 |
$52.43 |
$53.00 |
$53.00 |
7,331,300 |
| 09JAN13 |
$52.82 |
$53.42 |
$52.45 |
$52.76 |
$52.76 |
8,099,900 |
| 08JAN13 |
$53.36 |
$54.20 |
$52.51 |
$52.68 |
$52.68 |
11,528,200 |
| 07JAN13 |
$52.53 |
$53.58 |
$52.06 |
$53.51 |
$53.51 |
10,185,600 |
| 04JAN13 |
$52.46 |
$53.12 |
$52.22 |
$52.78 |
$52.78 |
6,486,300 |
| 03JAN13 |
$53.49 |
$53.65 |
$52.15 |
$52.45 |
$52.45 |
10,831,400 |
| 02JAN13 |
$52.40 |
$53.70 |
$52.04 |
$53.59 |
$53.59 |
13,798,900 |
| 31DEC12 |
$49.76 |
$51.20 |
$49.20 |
$51.00 |
$51.00 |
7,513,300 |
| 28DEC12 |
$49.90 |
$50.44 |
$49.78 |
$49.81 |
$49.81 |
5,058,500 |
| 27DEC12 |
$50.43 |
$50.65 |
$49.67 |
$50.29 |
$50.29 |
7,905,700 |
| 26DEC12 |
$51.02 |
$51.10 |
$49.85 |
$50.24 |
$50.24 |
7,261,800 |
| 24DEC12 |
$51.09 |
$51.79 |
$50.94 |
$51.08 |
$51.08 |
4,910,400 |
| 21DEC12 |
$51.42 |
$51.49 |
$50.69 |
$51.35 |
$51.35 |
13,690,100 |
| 20DEC12 |
$51.48 |
$52.18 |
$50.91 |
$52.14 |
$52.14 |
9,699,800 |
| 19DEC12 |
$52.00 |
$52.10 |
$51.20 |
$51.34 |
$51.34 |
9,018,400 |
| 18DEC12 |
$51.56 |
$52.54 |
$51.42 |
$51.91 |
$51.91 |
14,125,900 |
| 17DEC12 |
$50.52 |
$51.65 |
$50.21 |
$51.31 |
$51.31 |
9,632,600 |
| 14DEC12 |
$51.23 |
$51.30 |
$50.17 |
$50.36 |
$50.36 |
8,106,800 |
| 13DEC12 |
$51.80 |
$51.97 |
$50.75 |
$51.02 |
$51.02 |
12,421,000 |
| 12DEC12 |
$52.03 |
$52.65 |
$51.81 |
$51.86 |
$51.86 |
8,590,700 |
| 11DEC12 |
$51.42 |
$52.20 |
$51.29 |
$51.99 |
$51.99 |
10,375,600 |
| 10DEC12 |
$51.94 |
$51.99 |
$50.79 |
$51.17 |
$51.17 |
7,758,800 |
| 07DEC12 |
$52.12 |
$52.34 |
$51.47 |
$51.74 |
$51.74 |
6,297,000 |
| 06DEC12 |
$51.99 |
$52.72 |
$51.78 |
$51.99 |
$51.99 |
7,082,400 |
| 05DEC12 |
$52.11 |
$52.50 |
$51.50 |
$52.02 |
$52.02 |
7,945,700 |
| 04DEC12 |
$52.05 |
$52.12 |
$51.41 |
$51.99 |
$51.99 |
8,280,900 |
| 03DEC12 |
$53.07 |
$53.15 |
$51.96 |
$52.04 |
$52.04 |
8,482,600 |
| 30NOV12 |
$52.00 |
$53.00 |
$51.85 |
$52.82 |
$52.82 |
11,676,100 |
| 29NOV12 |
$51.76 |
$52.80 |
$51.50 |
$52.20 |
$52.20 |
13,727,600 |
| 28NOV12 |
$51.04 |
$51.53 |
$50.49 |
$51.47 |
$51.47 |
9,394,400 |
| 27NOV12 |
$51.07 |
$51.73 |
$50.40 |
$51.15 |
$51.15 |
14,123,400 |
| 26NOV12 |
$49.41 |
$51.78 |
$49.37 |
$51.40 |
$51.40 |
18,001,400 |
| 23NOV12 |
$48.92 |
$49.15 |
$48.75 |
$49.01 |
$49.01 |
3,991,300 |
| 21NOV12 |
$48.26 |
$48.80 |
$48.03 |
$48.63 |
$48.63 |
7,246,800 |
| 20NOV12 |
$48.03 |
$48.44 |
$47.60 |
$48.26 |
$48.26 |
6,602,300 |
| 19NOV12 |
$47.73 |
$48.25 |
$47.48 |
$47.92 |
$47.92 |
8,928,700 |
| 16NOV12 |
$46.59 |
$47.53 |
$46.23 |
$47.26 |
$47.26 |
11,293,100 |
| 15NOV12 |
$46.31 |
$46.65 |
$45.66 |
$46.52 |
$46.52 |
8,009,200 |
| 14NOV12 |
$47.82 |
$47.99 |
$46.22 |
$46.47 |
$46.47 |
9,618,700 |
| 13NOV12 |
$47.18 |
$48.21 |
$47.00 |
$47.74 |
$47.74 |
6,478,600 |
| 12NOV12 |
$47.75 |
$48.03 |
$46.98 |
$47.47 |
$47.47 |
5,922,400 |
| 09NOV12 |
$47.53 |
$48.45 |
$47.31 |
$47.73 |
$47.73 |
9,082,900 |
| 08NOV12 |
$48.45 |
$49.38 |
$47.77 |
$47.87 |
$47.87 |
10,133,500 |
| 07NOV12 |
$48.81 |
$49.20 |
$48.00 |
$48.40 |
$48.40 |
11,894,700 |
| 06NOV12 |
$49.37 |
$49.98 |
$49.18 |
$49.49 |
$49.49 |
5,960,900 |
| 05NOV12 |
$48.77 |
$49.45 |
$48.40 |
$49.35 |
$49.35 |
5,367,000 |
| 02NOV12 |
$49.37 |
$49.59 |
$48.69 |
$48.69 |
$48.69 |
8,160,900 |
| 01NOV12 |
$48.44 |
$49.48 |
$48.13 |
$49.22 |
$49.22 |
7,874,600 |
| 31OCT12 |
$49.48 |
$49.52 |
$48.11 |
$48.26 |
$48.26 |
15,870,400 |
| 26OCT12 |
$48.36 |
$49.77 |
$48.20 |
$49.51 |
$49.51 |
10,870,100 |
| 25OCT12 |
$49.21 |
$49.37 |
$48.30 |
$48.34 |
$48.34 |
7,408,600 |
| 24OCT12 |
$49.46 |
$49.58 |
$48.32 |
$48.88 |
$48.88 |
11,243,600 |
| 23OCT12 |
$49.70 |
$50.47 |
$49.20 |
$49.35 |
$49.35 |
10,377,900 |
| 22OCT12 |
$49.93 |
$50.55 |
$49.81 |
$50.15 |
$50.15 |
9,522,500 |
| 19OCT12 |
$50.70 |
$50.80 |
$49.57 |
$49.97 |
$49.97 |
19,802,200 |
| 18OCT12 |
$48.43 |
$50.94 |
$48.37 |
$50.83 |
$50.83 |
34,940,500 |
| 17OCT12 |
$48.46 |
$48.69 |
$47.80 |
$48.20 |
$48.20 |
18,208,600 |
| 16OCT12 |
$47.66 |
$48.48 |
$47.25 |
$48.24 |
$48.24 |
9,328,400 |
| 15OCT12 |
$47.77 |
$48.07 |
$46.25 |
$47.40 |
$47.40 |
15,151,900 |
| 12OCT12 |
$47.62 |
$48.07 |
$47.51 |
$47.85 |
$47.85 |
7,596,800 |
| 11OCT12 |
$47.26 |
$47.65 |
$46.90 |
$47.49 |
$47.49 |
10,972,200 |
| 10OCT12 |
$46.40 |
$46.94 |
$46.18 |
$46.76 |
$46.76 |
11,509,400 |
| 09OCT12 |
$47.90 |
$48.00 |
$46.12 |
$46.22 |
$46.22 |
14,506,200 |
| 08OCT12 |
$48.33 |
$48.85 |
$47.48 |
$47.92 |
$47.92 |
10,403,200 |
| 05OCT12 |
$49.85 |
$50.04 |
$48.55 |
$48.73 |
$48.73 |
7,137,300 |
| 04OCT12 |
$49.70 |
$50.24 |
$49.31 |
$49.49 |
$49.49 |
10,808,200 |
| 03OCT12 |
$48.67 |
$48.69 |
$48.16 |
$48.59 |
$48.59 |
8,871,700 |
| 02OCT12 |
$48.58 |
$48.67 |
$47.95 |
$48.40 |
$48.40 |
4,958,500 |
| 01OCT12 |
$48.57 |
$49.05 |
$48.07 |
$48.23 |
$48.23 |
6,552,300 |
| 28SEP12 |
$49.06 |
$49.19 |
$48.23 |
$48.37 |
$48.37 |
7,389,300 |
| 27SEP12 |
$47.71 |
$49.30 |
$47.71 |
$49.12 |
$49.12 |
9,744,400 |
| 26SEP12 |
$47.91 |
$48.15 |
$47.36 |
$47.54 |
$47.54 |
12,197,000 |
| 25SEP12 |
$49.32 |
$49.50 |
$47.85 |
$48.03 |
$48.03 |
12,220,900 |
| 24SEP12 |
$49.33 |
$49.63 |
$48.85 |
$49.31 |
$49.31 |
7,881,800 |
| 21SEP12 |
$49.99 |
$50.03 |
$49.31 |
$49.47 |
$49.47 |
18,311,700 |
| 20SEP12 |
$50.29 |
$50.34 |
$49.70 |
$50.08 |
$50.08 |
7,054,400 |
| 19SEP12 |
$50.16 |
$50.47 |
$49.54 |
$50.39 |
$50.39 |
7,099,000 |
| 18SEP12 |
$49.87 |
$50.16 |
$49.63 |
$49.96 |
$49.96 |
8,003,800 |
| 17SEP12 |
$50.46 |
$50.48 |
$49.81 |
$50.48 |
$50.48 |
6,782,200 |
| 14SEP12 |
$49.22 |
$50.65 |
$49.11 |
$49.97 |
$49.97 |
14,472,300 |
| 13SEP12 |
$47.86 |
$49.08 |
$47.68 |
$48.88 |
$48.88 |
9,376,500 |
| 12SEP12 |
$48.44 |
$48.80 |
$47.69 |
$47.99 |
$47.99 |
8,074,500 |
| 11SEP12 |
$48.51 |
$48.62 |
$47.99 |
$48.33 |
$48.33 |
11,985,600 |
| 10SEP12 |
$49.00 |
$49.13 |
$48.48 |
$48.53 |
$48.53 |
10,216,300 |
| 07SEP12 |
$49.00 |
$49.26 |
$48.70 |
$49.24 |
$49.24 |
12,394,100 |
| 06SEP12 |
$47.61 |
$49.27 |
$47.55 |
$48.91 |
$48.91 |
14,993,800 |
| 05SEP12 |
$46.73 |
$47.46 |
$46.36 |
$47.16 |
$47.16 |
12,460,200 |
| 04SEP12 |
$47.47 |
$47.76 |
$46.76 |
$47.36 |
$47.36 |
7,562,300 |
| 31AUG12 |
$46.99 |
$47.80 |
$46.75 |
$47.47 |
$47.47 |
8,469,100 |
| 30AUG12 |
$47.21 |
$47.30 |
$46.48 |
$46.55 |
$46.55 |
7,058,900 |
| 29AUG12 |
$47.22 |
$47.91 |
$47.22 |
$47.49 |
$47.49 |
10,609,300 |
| 28AUG12 |
$46.85 |
$47.21 |
$46.74 |
$46.94 |
$46.94 |
6,871,200 |
| 27AUG12 |
$47.35 |
$47.38 |
$46.66 |
$46.98 |
$46.98 |
6,901,700 |
| 24AUG12 |
$46.74 |
$47.48 |
$46.70 |
$47.10 |
$47.10 |
9,449,300 |
| 23AUG12 |
$47.26 |
$47.34 |
$46.41 |
$46.81 |
$46.81 |
11,783,700 |
| 22AUG12 |
$47.03 |
$48.08 |
$46.87 |
$47.00 |
$47.00 |
18,225,900 |
| 21AUG12 |
$46.41 |
$46.68 |
$45.49 |
$45.85 |
$45.85 |
9,298,600 |
| 20AUG12 |
$47.07 |
$47.07 |
$46.15 |
$46.40 |
$46.40 |
7,348,500 |
| 17AUG12 |
$46.25 |
$47.05 |
$45.75 |
$46.87 |
$46.87 |
14,297,400 |
| 16AUG12 |
$45.06 |
$45.96 |
$45.02 |
$45.79 |
$45.79 |
11,385,300 |
| 15AUG12 |
$45.24 |
$45.57 |
$44.95 |
$44.98 |
$44.98 |
7,260,100 |
| 14AUG12 |
$45.61 |
$46.05 |
$45.25 |
$45.36 |
$45.36 |
11,150,900 |
| 13AUG12 |
$44.07 |
$45.54 |
$44.06 |
$45.32 |
$45.32 |
16,200,100 |
| 10AUG12 |
$44.17 |
$44.58 |
$43.73 |
$43.99 |
$43.99 |
7,744,500 |
| 09AUG12 |
$45.06 |
$45.21 |
$44.13 |
$44.27 |
$44.27 |
8,629,400 |
| 08AUG12 |
$45.20 |
$45.23 |
$44.71 |
$44.94 |
$44.94 |
8,735,100 |
| 07AUG12 |
$45.04 |
$45.99 |
$44.99 |
$45.61 |
$45.61 |
8,906,300 |
| 06AUG12 |
$44.59 |
$45.00 |
$44.16 |
$44.77 |
$44.77 |
7,307,400 |
| 03AUG12 |
$44.78 |
$45.21 |
$44.38 |
$44.50 |
$44.50 |
8,406,200 |
| 02AUG12 |
$43.41 |
$44.67 |
$43.26 |
$43.77 |
$43.77 |
8,644,000 |
| 01AUG12 |
$44.70 |
$44.86 |
$43.72 |
$43.89 |
$43.89 |
7,440,200 |
| 31JUL12 |
$45.42 |
$45.45 |
$44.26 |
$44.30 |
$44.30 |
11,370,600 |
| 30JUL12 |
$45.09 |
$46.15 |
$45.01 |
$45.60 |
$45.60 |
13,048,700 |
| 27JUL12 |
$44.01 |
$45.48 |
$43.91 |
$45.22 |
$45.22 |
14,395,100 |
| 26JUL12 |
$43.90 |
$44.28 |
$43.29 |
$43.79 |
$43.79 |
10,528,100 |
| 25JUL12 |
$43.50 |
$43.83 |
$42.81 |
$43.19 |
$43.19 |
10,327,000 |
| 24JUL12 |
$44.11 |
$44.65 |
$43.14 |
$43.52 |
$43.52 |
10,885,700 |
| 23JUL12 |
$43.76 |
$44.43 |
$42.82 |
$44.24 |
$44.24 |
17,807,700 |
| 20JUL12 |
$43.78 |
$45.48 |
$43.70 |
$44.85 |
$44.85 |
22,459,600 |
| 19JUL12 |
$44.00 |
$44.44 |
$43.25 |
$43.95 |
$43.95 |
35,276,800 |
| 18JUL12 |
$39.23 |
$40.60 |
$39.07 |
$40.46 |
$40.46 |
18,710,600 |
| 17JUL12 |
$39.07 |
$39.43 |
$38.06 |
$39.07 |
$39.07 |
11,697,600 |
| 16JUL12 |
$39.72 |
$39.73 |
$38.50 |
$38.60 |
$38.60 |
13,380,300 |
| 13JUL12 |
$39.38 |
$40.08 |
$39.18 |
$39.95 |
$39.95 |
6,916,700 |
| 12JUL12 |
$38.80 |
$39.48 |
$38.52 |
$39.31 |
$39.31 |
9,853,400 |
| 11JUL12 |
$39.67 |
$39.68 |
$38.68 |
$39.13 |
$39.13 |
9,529,100 |
| 10JUL12 |
$41.04 |
$41.20 |
$39.23 |
$39.68 |
$39.68 |
12,201,200 |
| 09JUL12 |
$40.50 |
$40.79 |
$40.27 |
$40.68 |
$40.68 |
9,459,800 |
| 06JUL12 |
$40.78 |
$40.89 |
$39.95 |
$40.41 |
$40.41 |
8,654,900 |
| 05JUL12 |
$41.29 |
$41.41 |
$40.71 |
$40.93 |
$40.93 |
7,683,400 |
| 03JUL12 |
$41.29 |
$41.57 |
$41.01 |
$41.20 |
$41.20 |
4,930,900 |
| 02JUL12 |
$42.21 |
$42.29 |
$40.90 |
$41.22 |
$41.22 |
10,890,100 |
| 29JUN12 |
$41.59 |
$42.19 |
$41.01 |
$42.01 |
$42.01 |
12,173,100 |
| 28JUN12 |
$41.10 |
$41.24 |
$40.18 |
$40.78 |
$40.78 |
14,825,600 |
| 27JUN12 |
$42.62 |
$42.90 |
$42.04 |
$42.29 |
$42.29 |
9,116,700 |
| 26JUN12 |
$42.13 |
$42.90 |
$42.00 |
$42.50 |
$42.50 |
12,250,100 |
| 25JUN12 |
$42.24 |
$42.49 |
$41.49 |
$41.81 |
$41.81 |
8,976,600 |
| 22JUN12 |
$42.00 |
$42.86 |
$41.86 |
$42.80 |
$42.80 |
21,234,800 |
| 21JUN12 |
$43.03 |
$43.19 |
$41.66 |
$41.83 |
$41.83 |
13,122,900 |
| 20JUN12 |
$43.44 |
$43.52 |
$42.69 |
$42.95 |
$42.95 |
11,616,400 |
| 19JUN12 |
$42.64 |
$43.94 |
$42.15 |
$43.50 |
$43.50 |
18,766,800 |
| 18JUN12 |
$40.69 |
$42.69 |
$40.59 |
$42.49 |
$42.49 |
26,694,200 |
| 15JUN12 |
$40.22 |
$40.78 |
$40.13 |
$40.67 |
$40.67 |
14,607,000 |
| 14JUN12 |
$40.30 |
$40.39 |
$39.60 |
$40.13 |
$40.13 |
10,084,200 |
| 13JUN12 |
$40.86 |
$40.90 |
$39.87 |
$40.17 |
$40.17 |
13,739,900 |
| 12JUN12 |
$41.02 |
$41.28 |
$40.55 |
$40.91 |
$40.91 |
14,256,200 |
| 11JUN12 |
$41.25 |
$41.60 |
$40.75 |
$40.93 |
$40.93 |
10,621,100 |
| 08JUN12 |
$40.79 |
$41.50 |
$40.33 |
$41.05 |
$41.05 |
8,696,400 |
| 07JUN12 |
$41.43 |
$41.72 |
$40.80 |
$40.90 |
$40.90 |
9,525,800 |
| 06JUN12 |
$40.00 |
$40.97 |
$39.96 |
$40.94 |
$40.94 |
10,145,600 |
| 05JUN12 |
$39.06 |
$39.85 |
$38.92 |
$39.76 |
$39.76 |
9,835,900 |
| 04JUN12 |
$38.96 |
$39.49 |
$38.79 |
$39.16 |
$39.16 |
19,733,300 |
| 01JUN12 |
$38.34 |
$39.03 |
$38.00 |
$38.82 |
$38.82 |
18,937,500 |
| 31MAY12 |
$39.55 |
$39.69 |
$38.81 |
$39.19 |
$39.19 |
18,616,200 |
| 30MAY12 |
$41.14 |
$41.16 |
$38.80 |
$39.59 |
$39.59 |
23,561,800 |
| 29MAY12 |
$40.57 |
$41.66 |
$40.30 |
$41.49 |
$41.49 |
16,500,400 |
| 25MAY12 |
$39.79 |
$40.55 |
$39.64 |
$40.35 |
$40.35 |
12,606,800 |
| 24MAY12 |
$40.44 |
$40.66 |
$39.24 |
$39.66 |
$39.66 |
17,101,700 |
| 23MAY12 |
$39.07 |
$39.72 |
$38.76 |
$39.68 |
$39.68 |
9,989,400 |
| 22MAY12 |
$39.54 |
$40.00 |
$38.99 |
$39.22 |
$39.22 |
9,082,900 |
| 21MAY12 |
$38.51 |
$39.84 |
$38.39 |
$39.51 |
$39.51 |
10,430,100 |
| 18MAY12 |
$39.10 |
$39.42 |
$38.22 |
$38.36 |
$38.36 |
16,152,200 |
| 17MAY12 |
$39.76 |
$40.21 |
$39.03 |
$39.03 |
$39.03 |
10,603,300 |
| 16MAY12 |
$40.27 |
$40.70 |
$39.73 |
$39.86 |
$39.86 |
11,459,300 |
| 15MAY12 |
$40.27 |
$40.57 |
$39.84 |
$40.05 |
$40.05 |
9,683,300 |
| 14MAY12 |
$40.43 |
$40.66 |
$39.90 |
$40.25 |
$40.25 |
11,272,300 |
| 11MAY12 |
$41.01 |
$41.30 |
$40.69 |
$40.74 |
$40.74 |
12,150,800 |
| 10MAY12 |
$40.90 |
$41.40 |
$40.77 |
$41.21 |
$41.21 |
17,724,600 |
| 09MAY12 |
$39.81 |
$40.84 |
$39.66 |
$40.56 |
$40.56 |
16,377,200 |
| 08MAY12 |
$39.89 |
$40.29 |
$39.27 |
$40.19 |
$40.19 |
11,068,200 |
| 07MAY12 |
$39.21 |
$40.37 |
$39.00 |
$40.07 |
$40.07 |
11,686,300 |
| 04MAY12 |
$39.95 |
$39.99 |
$39.33 |
$39.44 |
$39.44 |
10,478,000 |
| 03MAY12 |
$41.03 |
$41.13 |
$40.00 |
$40.38 |
$40.38 |
10,064,100 |
| 02MAY12 |
$40.55 |
$41.25 |
$40.35 |
$41.16 |
$41.16 |
8,699,600 |
| 01MAY12 |
$40.69 |
$41.41 |
$40.69 |
$40.75 |
$40.75 |
12,143,700 |
| 30APR12 |
$41.36 |
$41.96 |
$40.87 |
$41.02 |
$41.02 |
18,259,900 |
| 27APR12 |
$41.54 |
$41.58 |
$40.68 |
$41.23 |
$41.23 |
10,706,200 |
| 26APR12 |
$40.20 |
$41.25 |
$40.01 |
$41.05 |
$41.05 |
18,720,900 |
| 25APR12 |
$39.61 |
$40.44 |
$39.20 |
$39.86 |
$39.86 |
10,558,200 |
| 24APR12 |
$39.53 |
$39.99 |
$39.08 |
$39.30 |
$39.30 |
11,537,500 |
| 23APR12 |
$39.39 |
$39.90 |
$39.29 |
$39.65 |
$39.65 |
15,940,100 |
| 20APR12 |
$40.60 |
$40.89 |
$40.26 |
$40.29 |
$40.29 |
16,412,300 |
| 19APR12 |
$39.13 |
$41.84 |
$39.03 |
$40.62 |
$40.62 |
60,621,300 |
| 18APR12 |
$36.14 |
$36.28 |
$35.50 |
$35.87 |
$35.87 |
12,028,100 |
| 17APR12 |
$35.74 |
$36.32 |
$35.73 |
$36.08 |
$36.08 |
8,548,500 |
| 16APR12 |
$36.26 |
$36.36 |
$35.43 |
$35.50 |
$35.50 |
9,247,300 |
| 13APR12 |
$36.32 |
$36.50 |
$36.00 |
$36.12 |
$36.12 |
7,227,000 |
| 12APR12 |
$35.90 |
$36.72 |
$35.87 |
$36.46 |
$36.46 |
6,937,300 |
| 11APR12 |
$35.84 |
$36.18 |
$35.65 |
$35.76 |
$35.76 |
7,754,800 |
| 10APR12 |
$36.14 |
$36.66 |
$35.31 |
$35.47 |
$35.47 |
11,734,200 |
| 09APR12 |
$35.53 |
$36.48 |
$35.44 |
$36.30 |
$36.30 |
10,720,100 |
| 05APR12 |
$35.54 |
$35.88 |
$35.35 |
$35.62 |
$35.62 |
8,242,600 |
| 04APR12 |
$36.29 |
$36.30 |
$35.50 |
$35.73 |
$35.73 |
12,117,300 |
| 03APR12 |
$36.42 |
$36.86 |
$36.30 |
$36.63 |
$36.63 |
11,762,100 |
| 02APR12 |
$36.68 |
$36.77 |
$36.26 |
$36.59 |
$36.59 |
11,697,800 |
| 30MAR12 |
$37.31 |
$37.40 |
$36.67 |
$36.90 |
$36.90 |
9,623,600 |
| 29MAR12 |
$37.09 |
$37.13 |
$36.71 |
$36.99 |
$36.99 |
12,616,000 |
| 28MAR12 |
$37.78 |
$37.88 |
$36.95 |
$37.24 |
$37.24 |
9,365,400 |
| 27MAR12 |
$38.10 |
$38.18 |
$37.75 |
$37.87 |
$37.87 |
8,785,400 |
| 26MAR12 |
$37.50 |
$38.09 |
$37.35 |
$38.08 |
$38.08 |
7,455,900 |
| 23MAR12 |
$37.76 |
$37.77 |
$36.93 |
$37.09 |
$37.09 |
9,098,700 |
| 22MAR12 |
$37.15 |
$37.76 |
$37.00 |
$37.62 |
$37.62 |
7,149,300 |
| 21MAR12 |
$37.42 |
$37.69 |
$37.13 |
$37.42 |
$37.42 |
9,031,200 |
| 20MAR12 |
$37.50 |
$37.54 |
$37.12 |
$37.39 |
$37.39 |
6,132,000 |
| 19MAR12 |
$37.26 |
$37.99 |
$37.08 |
$37.79 |
$37.79 |
11,102,700 |
| 16MAR12 |
$36.84 |
$37.90 |
$36.84 |
$37.69 |
$37.69 |
18,395,300 |
| 15MAR12 |
$37.16 |
$37.42 |
$36.73 |
$36.83 |
$36.83 |
12,731,200 |
| 14MAR12 |
$37.30 |
$37.72 |
$37.06 |
$37.62 |
$37.62 |
12,490,500 |
| 13MAR12 |
$36.29 |
$37.34 |
$35.83 |
$37.33 |
$37.33 |
14,632,000 |
| 12MAR12 |
$36.36 |
$36.41 |
$35.74 |
$36.18 |
$36.18 |
4,856,800 |
| 09MAR12 |
$35.83 |
$36.42 |
$35.78 |
$36.25 |
$36.25 |
8,253,600 |
| 08MAR12 |
$35.85 |
$36.00 |
$35.54 |
$35.78 |
$35.78 |
6,963,100 |
| 07MAR12 |
$35.23 |
$36.00 |
$35.23 |
$35.59 |
$35.59 |
9,814,700 |
| 06MAR12 |
$35.33 |
$35.59 |
$34.83 |
$35.11 |
$35.11 |
10,241,500 |
| 05MAR12 |
$35.58 |
$35.95 |
$35.44 |
$35.72 |
$35.72 |
11,897,300 |
| 02MAR12 |
$36.33 |
$36.36 |
$35.82 |
$36.25 |
$36.25 |
11,976,600 |
| 01MAR12 |
$35.87 |
$36.50 |
$35.82 |
$36.37 |
$36.37 |
8,567,800 |
| 29FEB12 |
$36.61 |
$36.67 |
$35.64 |
$35.74 |
$35.74 |
13,751,700 |
| 28FEB12 |
$36.63 |
$36.74 |
$36.35 |
$36.62 |
$36.62 |
9,198,300 |
| 27FEB12 |
$36.16 |
$36.80 |
$36.03 |
$36.56 |
$36.56 |
9,735,500 |
| 24FEB12 |
$35.99 |
$36.52 |
$35.82 |
$36.36 |
$36.36 |
9,356,700 |
| 23FEB12 |
$34.75 |
$36.15 |
$34.70 |
$36.02 |
$36.02 |
18,720,400 |
| 22FEB12 |
$35.00 |
$35.04 |
$34.40 |
$34.67 |
$34.67 |
7,665,800 |
| 21FEB12 |
$35.06 |
$35.33 |
$34.92 |
$35.14 |
$35.14 |
9,470,200 |
| 17FEB12 |
$34.48 |
$35.21 |
$34.24 |
$35.06 |
$35.06 |
16,244,200 |
| 16FEB12 |
$33.34 |
$34.59 |
$33.33 |
$34.51 |
$34.51 |
14,200,100 |
| 15FEB12 |
$33.16 |
$33.85 |
$32.88 |
$33.31 |
$33.31 |
13,587,200 |
| 14FEB12 |
$33.00 |
$33.23 |
$32.72 |
$32.96 |
$32.96 |
6,530,400 |
| 13FEB12 |
$33.29 |
$33.49 |
$33.00 |
$33.16 |
$33.16 |
5,364,900 |
| 10FEB12 |
$32.89 |
$33.29 |
$32.63 |
$33.03 |
$33.03 |
7,310,300 |
| 09FEB12 |
$33.11 |
$33.29 |
$32.61 |
$33.26 |
$33.26 |
7,949,800 |
| 08FEB12 |
$32.90 |
$33.38 |
$32.73 |
$33.05 |
$33.05 |
9,859,800 |
| 07FEB12 |
$32.68 |
$32.98 |
$32.42 |
$32.87 |
$32.87 |
6,912,500 |
| 06FEB12 |
$32.70 |
$32.75 |
$32.39 |
$32.64 |
$32.64 |
8,794,200 |
| 03FEB12 |
$33.00 |
$33.27 |
$32.84 |
$32.95 |
$32.95 |
9,055,400 |