| Country or Area | Year | Value | |
|---|
| Afghanistan | 2021 | 0.13079471018098782 |
| Afghanistan | 2020 | 0.14115604107225418 |
| Afghanistan | 2019 | 0.17068469315403378 |
| Afghanistan | 2018 | 0.1755754297215281 |
| Afghanistan | 2017 | 0.1598216226526939 |
| Afghanistan | 2016 | 0.16632605801175548 |
| Afghanistan | 2015 | 0.135866533168164 |
| Afghanistan | 2014 | 0.10340705245716215 |
| Afghanistan | 2013 | 0.05660080525717704 |
| Afghanistan | 2012 | 0.04899208914802723 |
| Afghanistan | 2011 | 0.053646637524696394 |
| Afghanistan | 2010 | 0.05539102300248717 |
| Afghanistan | 2009 | 0.0797843186163775 |
| Africa Eastern and Southern | 2021 | 2.9803265029908053 |
| Africa Eastern and Southern | 2020 | 3.0458765343152634 |
| Africa Eastern and Southern | 2019 | 3.141817996990218 |
| Africa Eastern and Southern | 2018 | 3.3996238239392063 |
| Africa Eastern and Southern | 2017 | 2.0095748961238677 |
| Africa Eastern and Southern | 2016 | 2.3711642359259195 |
| Africa Eastern and Southern | 2015 | 3.097140074440727 |
| Africa Eastern and Southern | 2014 | 1.649611923677765 |
| Africa Eastern and Southern | 2013 | 1.8079234191925249 |
| Africa Eastern and Southern | 2012 | 1.3925833251282618 |
| Africa Eastern and Southern | 2011 | 0.9746576029660088 |
| Africa Eastern and Southern | 2010 | 0.928347899605009 |
| Africa Eastern and Southern | 2009 | 1.296789454163651 |
| Africa Eastern and Southern | 2008 | 1.0130143960691316 |
| Africa Eastern and Southern | 2007 | 1.4771685273109465 |
| Africa Eastern and Southern | 2006 | 1.973344223048539 |
| Africa Eastern and Southern | 2005 | 1.8249389580095552 |
| Africa Eastern and Southern | 2004 | 1.371708893128328 |
| Africa Eastern and Southern | 2003 | 1.7998857619590645 |
| Africa Eastern and Southern | 2002 | 2.1013935621122752 |
| Africa Eastern and Southern | 2001 | 2.6685983120477035 |
| Africa Eastern and Southern | 2000 | 2.334874878827799 |
| Africa Eastern and Southern | 1999 | 1.9353103876572126 |
| Africa Eastern and Southern | 1998 | 2.590854660135813 |
| Africa Eastern and Southern | 1997 | 2.060224887543532 |
| Africa Eastern and Southern | 1996 | 2.3370319085488096 |
| Africa Eastern and Southern | 1995 | 1.9624790822188607 |
| Africa Eastern and Southern | 1994 | 1.850801647287734 |
| Africa Western and Central | 2021 | 1.5625463797759485 |
| Africa Western and Central | 2020 | 1.6012638060111597 |
| Africa Western and Central | 2019 | 1.3575350188263002 |
| Africa Western and Central | 2018 | 1.2251933322824065 |
| Africa Western and Central | 2017 | 1.1039269148967916 |
| Africa Western and Central | 2016 | 0.823770160571142 |
| Africa Western and Central | 2015 | 0.5573047768905733 |
| Africa Western and Central | 2014 | 0.5562596476280518 |
| Africa Western and Central | 2013 | 0.5605586782701192 |
