| Country or Area | Year | Value | |
|---|
| Afghanistan | 2021 | 0.17752763496797955 |
| Afghanistan | 2020 | 0.22568573194382283 |
| Afghanistan | 2019 | 0.2893183257156291 |
| Afghanistan | 2018 | 0.34009096803923283 |
| Afghanistan | 2017 | 0.33239869049761583 |
| Afghanistan | 2016 | 0.33060474697146336 |
| Afghanistan | 2015 | 0.28027176474650356 |
| Afghanistan | 2014 | 0.20538683763796942 |
| Afghanistan | 2013 | 0.1215749610141333 |
| Afghanistan | 2012 | 0.0733902509848524 |
| Afghanistan | 2011 | 0.056832896945963995 |
| Afghanistan | 2010 | 0.06660721733638046 |
| Afghanistan | 2009 | 0.08860460127520653 |
| Africa Eastern and Southern | 2021 | 6.03706911147062 |
| Africa Eastern and Southern | 2020 | 5.851330312328103 |
| Africa Eastern and Southern | 2019 | 5.582046248074033 |
| Africa Eastern and Southern | 2018 | 5.697258108893002 |
| Africa Eastern and Southern | 2017 | 3.654203941636514 |
| Africa Eastern and Southern | 2016 | 4.233409089971531 |
| Africa Eastern and Southern | 2015 | 5.353025257820332 |
| Africa Eastern and Southern | 2014 | 3.208560618312673 |
| Africa Eastern and Southern | 2013 | 2.857008317367555 |
| Africa Eastern and Southern | 2012 | 2.59883562759551 |
| Africa Eastern and Southern | 2011 | 1.7897035289501297 |
| Africa Eastern and Southern | 2010 | 1.8139694480136217 |
| Africa Eastern and Southern | 2009 | 2.168313667444287 |
| Africa Eastern and Southern | 2008 | 1.960514801433842 |
| Africa Eastern and Southern | 2007 | 2.2986128238739916 |
| Africa Eastern and Southern | 2006 | 2.9979697254954 |
| Africa Eastern and Southern | 2005 | 2.353527493741831 |
| Africa Eastern and Southern | 2004 | 2.230255530729624 |
| Africa Eastern and Southern | 2003 | 2.8116247750387986 |
| Africa Eastern and Southern | 2002 | 3.9293744692056176 |
| Africa Eastern and Southern | 2001 | 3.7288764977521005 |
| Africa Eastern and Southern | 2000 | 3.2591470120978276 |
| Africa Eastern and Southern | 1999 | 3.5890281959697115 |
| Africa Eastern and Southern | 1998 | 3.6816869229656723 |
| Africa Eastern and Southern | 1997 | 3.972398004410833 |
| Africa Eastern and Southern | 1996 | 3.449238029059886 |
| Africa Eastern and Southern | 1995 | 3.745259634149965 |
| Africa Eastern and Southern | 1994 | 2.772086815897577 |
| Africa Western and Central | 2021 | 2.6432630535155943 |
| Africa Western and Central | 2020 | 2.6197497817585296 |
| Africa Western and Central | 2019 | 2.3707923838258607 |
| Africa Western and Central | 2018 | 2.3916016303728544 |
| Africa Western and Central | 2017 | 2.015681904727459 |
| Africa Western and Central | 2016 | 1.5172593864139523 |
| Africa Western and Central | 2015 | 1.146527052108711 |
| Africa Western and Central | 2014 | 1.2914014945018486 |
| Africa Western and Central | 2013 | 0.8369442982719485 |
