There, agricultural output per farmworker was the lowest in the world during 1980-2004, growing by less than 1% a year, compared with over 3% a year in East Asia and the Middle East.

• 1980-2004年间，非洲每个农业工人的农业产量是全世界最低的，每年增长不足1%25，而在东亚和中东则超过3%25。