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Africa is the only region with continuous improvement (increase in contribution) of 9% in 1950 to 13% in 2000 and would go up till 20% in 2050.
However, Europe and NA ( North America) both are in declining state
LA (Latin America) and Oceania got hiked initially from 1950 to 2000 by 3 percent and almost 1 percent but remained steady at 9% and 1% in 2050 (respectively)
Band : 2/3
