4 ms·
>#units/person is not going to change Why not? It has been changing forever. It was on a pretty consistent upward trend in the US since there was a US, roughly
by thfuran 11mo ago
>#units/person is not going to change
Why not? It has been changing forever. It was on a pretty consistent upward trend in the US since there was a US, roughly doubling since 1790, but it has started to decrease in the last few years.