| Country or Area | Year | Value | |
|---|
| Afghanistan | 2020 | 1.8210895413172106 |
| Afghanistan | 2019 | 3.023536491420824 |
| Afghanistan | 2018 | 2.961201103967022 |
| Afghanistan | 2017 | 3.5017714301635654 |
| Afghanistan | 2016 | 3.635915414874271 |
| Afghanistan | 2015 | 3.7246666691544426 |
| Afghanistan | 2014 | 3.7523014439555866 |
| Afghanistan | 2013 | 4.208041820541557 |
| Afghanistan | 2012 | 4.497561886531361 |
| Afghanistan | 2011 | 4.760843000029095 |
| Afghanistan | 2010 | 4.496582787614581 |
| Afghanistan | 2009 | 3.896614807791432 |
| Afghanistan | 2008 | 1.4983456032961053 |
| Afghanistan | 2007 | 0.8374772033778904 |
| Afghanistan | 2006 | 0.8590114597181736 |
| Afghanistan | 2005 | 0.4759942020380309 |
| Afghanistan | 2004 | 0.49456962551187955 |
| Afghanistan | 2003 | 2.4715204793989263 |
| Afghanistan | 2002 | 2.4254115215940453 |
| Afghanistan | 2000 | 8.537686415046819 |
| Afghanistan | 1999 | 8.596997885353446 |
| Afghanistan | 1998 | 8.867111263625425 |
| Afghanistan | 1997 | 9.806492080629024 |
| Afghanistan | 1996 | 10.11463011693597 |
| Afghanistan | 1995 | 9.33470144797549 |
| Afghanistan | 1994 | 1.1440004169245965 |
| Afghanistan | 1993 | 1.2362861524412256 |
| Afghanistan | 1992 | 1.3835923776973518 |
| Afghanistan | 1991 | 1.4935513431507228 |
| Afghanistan | 1990 | 1.9474340541749295 |
| Africa Eastern and Southern | 2020 | 0.4458455123156166 |
| Africa Eastern and Southern | 2019 | 0.504438802486604 |
| Africa Eastern and Southern | 2018 | 0.5180581164020088 |
| Africa Eastern and Southern | 2017 | 0.5203383016295642 |
| Africa Eastern and Southern | 2016 | 0.5404886527201039 |
| Africa Eastern and Southern | 2015 | 0.6037549407482944 |
| Africa Eastern and Southern | 2014 | 0.6237367895035277 |
| Africa Eastern and Southern | 2013 | 0.6303298487653867 |
| Africa Eastern and Southern | 2012 | 0.6581636751488321 |
| Africa Eastern and Southern | 2011 | 0.6773013399951678 |
| Africa Eastern and Southern | 2010 | 0.6135612454195074 |
| Africa Eastern and Southern | 2009 | 0.5685752370616054 |
| Africa Eastern and Southern | 2008 | 0.5762238228861041 |
| Africa Eastern and Southern | 2007 | 0.5867411576977164 |
| Africa Eastern and Southern | 2005 | 0.6209093450129607 |
| Africa Eastern and Southern | 2004 | 0.6373890755583074 |
| Africa Eastern and Southern | 2003 | 0.6631655389950801 |
| Africa Eastern and Southern | 2002 | 0.7183811642838505 |
| Africa Eastern and Southern | 2001 | 0.7656636584002993 |
| Africa Eastern and Southern | 2000 | 0.8723145024468391 |
