Graph by Our World in Data showing an increase overall in Africa of cereal yields (which include wheat, rice, maize, barley, oats, rye, millet, sorghum, buckwheat and mixed grains) from 0.8 ton in 1961 to 1.5 - 1.7 ton in 2015. With a vertical line in 2017 when Ghana launched it's program and seeing a clear increase of the yield in Ghana specifically vs the African average resulting in the last recorded value on the graph (can't see the year) for the African average is 1.7 ton and has kinda stalled for the least 5+ years. While Ghana has increased to 2.7 tons
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