Benin has been the region's largest producer by volume per capita since the 1980s. Production per capita has risen fastest over the last 15 years in Gambia (8.2%), Guinea (7.8%), Mali (7.2%) and Burkina Faso (6.4%). Nigeria is by far the largest producer overall, producing 7.4 million tonnes in 2008-10, representing 49% of the regional total.