Because the mindset of a country that has a good economic population is wanting to find more money that they can get than a country whose economy is bad.
Well this might not be a measure for calculating the percentage of usage of such coin in one country if they have got more ATMs. It might be possible that there are more citizens who want to choose that amazing thing as their source of income but the real turnover wouldnt be of so huge results. So better is to manage some ways and alternatives for making best of the results.