Click here to see the SAS code.
Click here to see the example.

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Switched to using the new mapsgfk maps.

Took out a lot of hard-coded style='swiss'.
Removed hard-coded size for legend text.
Removed hard-coded color='white' in legend text.

Sorted the red dots so the smaller ones are on top, and added gray outline,
to help discern overlapping red dots.

proc sort data=symbols out=symbols;
by descending size;
run;
data symbols; set symbols;
 style='solid'; output;
 style='empty'; color='gray'; output;
run;

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