I don't see how the GDP has anything to do with this. What percent of the population those states make up might be somewhat interesting at least. But even the

I don't see how the GDP has anything to do with this. What percent of the population those states make up might be somewhat interesting at least. But even then, 90% of new installations requires us to know what percent of installations those states make up, and population isn't necessarily (but could be) a good corollary for that.