It's an odd colour scale on that map, red, then light blue through black. Usually it's something simpler, like blue through red. It takes a look at the scale t

It's an odd colour scale on that map, red, then light blue through black. Usually it's something simpler, like blue through red. It takes a look at the scale to realize that the former Soviet Union countries actually have the best price rather than the worst price. Might be good to have a 2nd map adjusted for PPP as well.