3 ms·
> the last 20 years Correction: the last 55 years https://files.epi.org/charts/img/7894.png https://files.epi.org/charts/img/7894.png
by infogulch 1y ago
> the last 20 years
Correction: the last 55 years https://files.epi.org/charts/img/7894.png https://files.epi.org/charts/img/7894.png