US States vs. countries by GDP

I thought this was an interesting comparison:

 

Nice map!

Here's the Wikipedia table for your easy reference

http://en.wikipedia.org/wiki/List_of_countries_by_GDP_(nominal)

 

if you want to be a billionaire, move to Zimbabwe.

<img src=http://www.elitetrader.com/vb/attachment.php?s=&postid=2254117>

 

Well, Saudi Arabia's GDP = Virginia's is a bit shocking...

 

what is the source? Where was it reported?