| Country or Area | Year | Value | |
|---|
| Afghanistan | 2023 | 2220 |
| Afghanistan | 2022 | 2130 |
| Afghanistan | 2021 | 2160 |
| Afghanistan | 2020 | 2580 |
| Afghanistan | 2019 | 2620 |
| Afghanistan | 2018 | 2460 |
| Afghanistan | 2017 | 2360 |
| Afghanistan | 2016 | 2240 |
| Afghanistan | 2015 | 2300 |
| Afghanistan | 2014 | 2230 |
| Afghanistan | 2013 | 2140 |
| Afghanistan | 2012 | 1990 |
| Afghanistan | 2011 | 1740 |
| Afghanistan | 2010 | 1770 |
| Afghanistan | 2009 | 1570 |
| Afghanistan | 2008 | 1330 |
| Afghanistan | 2007 | 1300 |
| Afghanistan | 2006 | 1140 |
| Afghanistan | 2005 | 1090 |
| Afghanistan | 2004 | 980 |
| Afghanistan | 2003 | 980 |
| Afghanistan | 2002 | 940 |
| Afghanistan | 2001 | 750 |
| Afghanistan | 2000 | 790 |
| Africa Eastern and Southern | 2023 | 4269.7445732685555 |
| Africa Eastern and Southern | 2022 | 4118.377612516255 |
| Africa Eastern and Southern | 2021 | 3806.8316407279467 |
| Africa Eastern and Southern | 2020 | 3543.2140203840086 |
| Africa Eastern and Southern | 2019 | 3631.9765037469188 |
| Africa Eastern and Southern | 2018 | 3537.895539280668 |
| Africa Eastern and Southern | 2017 | 3595.3355955482266 |
| Africa Eastern and Southern | 2016 | 3459.064420356047 |
| Africa Eastern and Southern | 2015 | 3344.151897508811 |
| Africa Eastern and Southern | 2014 | 3306.155325960115 |
| Africa Eastern and Southern | 2013 | 3160.240323994457 |
| Africa Eastern and Southern | 2012 | 3054.559568572408 |
| Africa Eastern and Southern | 2011 | 3106.945336368996 |
| Africa Eastern and Southern | 2010 | 2998.7327229593598 |
| Africa Eastern and Southern | 2009 | 2916.432012954813 |
| Africa Eastern and Southern | 2008 | 2932.8408704456933 |
| Africa Eastern and Southern | 2007 | 2844.119540863917 |
| Africa Eastern and Southern | 2006 | 2679.880325184839 |
| Africa Eastern and Southern | 2005 | 2506.0666897061515 |
| Africa Eastern and Southern | 2004 | 2349.968087894787 |
| Africa Eastern and Southern | 2003 | 2224.0226353327635 |
| Africa Eastern and Southern | 2002 | 2160.110886093643 |
| Africa Eastern and Southern | 2001 | 2092.6030479864303 |
| Africa Eastern and Southern | 2000 | 2027.255875768919 |
| Africa Eastern and Southern | 1999 | 1959.201535582578 |
| Africa Eastern and Southern | 1998 | 1939.1846617613749 |
