It was a global story. In 1975, Brazil had an unexpected frost in its coffee producing regions that destroyed roughly half of its coffee trees. This led to significant shortages for the following two years that sent coffee bean prices soaring. An old report from NYT (4 Aug 1975).

Same data of Vietnam's output as share of Brazil's or the world's. An incredible success story.

Coffee production histories of the five largest green coffee producers in 2020 (BR, VN, ID, CO, ET), from Our World in Data.

A quiet thinking session alone on a Saturday night.