| Country or Area | Year | Value | |
|---|
| Afghanistan | 2021 | 1690 |
| Afghanistan | 2020 | 2100 |
| Afghanistan | 2019 | 2200 |
| Afghanistan | 2018 | 2130 |
| Afghanistan | 2017 | 2120 |
| Afghanistan | 2016 | 2040 |
| Afghanistan | 2015 | 2150 |
| Afghanistan | 2014 | 2110 |
| Afghanistan | 2013 | 2070 |
| Afghanistan | 2012 | 1960 |
| Afghanistan | 2011 | 1750 |
| Afghanistan | 2010 | 1770 |
| Afghanistan | 2009 | 1570 |
| Africa Eastern and Southern | 2022 | 4066.1107278105646 |
| Africa Eastern and Southern | 2021 | 3755.0173390345385 |
| Africa Eastern and Southern | 2020 | 3531.462331295516 |
| Africa Eastern and Southern | 2019 | 3663.375761391664 |
| Africa Eastern and Southern | 2018 | 3610.155774608345 |
| Africa Eastern and Southern | 2017 | 3524.0636897879435 |
| Africa Eastern and Southern | 2016 | 3497.6899509247073 |
| Africa Eastern and Southern | 2015 | 3382.605582542259 |
| Africa Eastern and Southern | 2014 | 3347.638421122536 |
| Africa Eastern and Southern | 2013 | 3201.835121473874 |
| Africa Eastern and Southern | 2012 | 3086.9202257419124 |
| Africa Eastern and Southern | 2011 | 3143.629875353193 |
| Africa Eastern and Southern | 2010 | 3033.9466466073955 |
| Africa Eastern and Southern | 2009 | 2951.1035570734134 |
| Africa Eastern and Southern | 2008 | 2968.0962395002957 |
| Africa Eastern and Southern | 2007 | 2878.9747948817144 |
| Africa Eastern and Southern | 2006 | 2712.828731830544 |
| Africa Eastern and Southern | 2005 | 2536.8188968767404 |
| Africa Eastern and Southern | 2004 | 2377.691968125275 |
| Africa Eastern and Southern | 2003 | 2249.410216066709 |
| Africa Eastern and Southern | 2002 | 2184.517092104961 |
| Africa Eastern and Southern | 2001 | 2114.9985690465064 |
| Africa Eastern and Southern | 2000 | 2049.1696572009637 |
| Africa Eastern and Southern | 1999 | 1977.4043855284353 |
| Africa Eastern and Southern | 1998 | 1951.3260631179635 |
| Africa Eastern and Southern | 1997 | 1958.4887306513806 |
| Africa Eastern and Southern | 1996 | 1882.8705165222527 |
| Africa Eastern and Southern | 1995 | 1798.491411565473 |
| Africa Eastern and Southern | 1994 | 1695.706585801118 |
| Africa Eastern and Southern | 1993 | 1675.685887482521 |
| Africa Eastern and Southern | 1992 | 1641.5077413858196 |
| Africa Eastern and Southern | 1991 | 1727.02313202727 |
| Africa Eastern and Southern | 1990 | 1696.3900929830913 |
| Africa Western and Central | 2022 | 4625.964613462637 |
| Africa Western and Central | 2021 | 4255.201624324748 |
| Africa Western and Central | 2020 | 4032.534041029447 |
| Africa Western and Central | 2019 | 4116.435074278638 |
