| Country or Area | Year | Value | |
|---|
| Afghanistan | 2020 | 1.8120452246952552 |
| Afghanistan | 2019 | 2.782314329058911 |
| Afghanistan | 2018 | 2.83864906517014 |
| Afghanistan | 2017 | 3.4901588865118107 |
| Afghanistan | 2016 | 3.623538777137557 |
| Afghanistan | 2015 | 3.700732406690331 |
| Afghanistan | 2014 | 3.72705501582188 |
| Afghanistan | 2013 | 4.19523173500904 |
| Afghanistan | 2012 | 4.496158354125489 |
| Afghanistan | 2011 | 4.794857309498283 |
| Afghanistan | 2010 | 4.549872565009936 |
| Afghanistan | 2009 | 3.9289442493803053 |
| Afghanistan | 2008 | 1.5125683974579196 |
| Afghanistan | 2007 | 0.8333959742072116 |
| Afghanistan | 2006 | 0.8399397614966343 |
| Afghanistan | 2005 | 0.4665019626774241 |
| Afghanistan | 2004 | 0.4872557359925706 |
| Afghanistan | 2003 | 2.4457762009419626 |
| Afghanistan | 2002 | 2.436931205025927 |
| Afghanistan | 2000 | 8.705684529062731 |
| Afghanistan | 1999 | 8.798320928434018 |
| Afghanistan | 1998 | 9.120180725501257 |
| Afghanistan | 1997 | 10.111471310998217 |
| Afghanistan | 1996 | 10.450435702780839 |
| Afghanistan | 1995 | 9.658758337614207 |
| Afghanistan | 1994 | 1.1985007554549763 |
| Afghanistan | 1993 | 1.3157837027030583 |
| Afghanistan | 1992 | 1.5216109328759935 |
| Afghanistan | 1991 | 1.7009251899082973 |
| Afghanistan | 1990 | 2.1953356687162775 |
| Africa Eastern and Southern | 2020 | 0.43575393895960274 |
| Africa Eastern and Southern | 2019 | 0.4959257321106388 |
| Africa Eastern and Southern | 2018 | 0.5109776645245659 |
| Africa Eastern and Southern | 2017 | 0.513248406111762 |
| Africa Eastern and Southern | 2016 | 0.5376096481820327 |
| Africa Eastern and Southern | 2015 | 0.6045799021930889 |
| Africa Eastern and Southern | 2014 | 0.6287924958231912 |
| Africa Eastern and Southern | 2013 | 0.6422104538875647 |
| Africa Eastern and Southern | 2012 | 0.670306943630454 |
| Africa Eastern and Southern | 2011 | 0.6879620190837313 |
| Africa Eastern and Southern | 2010 | 0.6197109877322864 |
| Africa Eastern and Southern | 2009 | 0.573800883486088 |
| Africa Eastern and Southern | 2008 | 0.5814843244086975 |
| Africa Eastern and Southern | 2007 | 0.5926061455179543 |
| Africa Eastern and Southern | 2005 | 0.6287734877832447 |
| Africa Eastern and Southern | 2004 | 0.6467190139624437 |
| Africa Eastern and Southern | 2003 | 0.6742184879048762 |
| Africa Eastern and Southern | 2002 | 0.7314982855807246 |
| Africa Eastern and Southern | 2001 | 0.7810151441528738 |
| Africa Eastern and Southern | 2000 | 0.8911002165739732 |
