| Country or Area | Year | Value | |
|---|
| Afghanistan | 2019 | 8.5 |
| Afghanistan | 2018 | 8.5 |
| Afghanistan | 2017 | 8.5 |
| Afghanistan | 2016 | 8.5 |
| Afghanistan | 2015 | 8.5 |
| Afghanistan | 2014 | 8.5 |
| Afghanistan | 2013 | 6.5 |
| Afghanistan | 2012 | 9.5 |
| Afghanistan | 2011 | 9.5 |
| Afghanistan | 2010 | 9.5 |
| Afghanistan | 2009 | 9.5 |
| Afghanistan | 2008 | 10.5 |
| Afghanistan | 2007 | 10.5 |
| Afghanistan | 2006 | 9.5 |
| Afghanistan | 2005 | 9.5 |
| Afghanistan | 2004 | 9.5 |
| Africa Eastern and Southern | 2019 | 26.8269230769231 |
| Africa Eastern and Southern | 2018 | 27.8269230769231 |
| Africa Eastern and Southern | 2017 | 29.2884615384615 |
| Africa Eastern and Southern | 2016 | 31.5769230769231 |
| Africa Eastern and Southern | 2015 | 32.0384615384615 |
| Africa Eastern and Southern | 2014 | 32.32 |
| Africa Eastern and Southern | 2013 | 33.12 |
| Africa Eastern and Southern | 2012 | 35.4 |
| Africa Eastern and Southern | 2011 | 37.3958333333333 |
| Africa Eastern and Southern | 2010 | 43.7291666666667 |
| Africa Eastern and Southern | 2009 | 46.5208333333333 |
| Africa Eastern and Southern | 2008 | 47.7708333333333 |
| Africa Eastern and Southern | 2007 | 54.4375 |
| Africa Eastern and Southern | 2006 | 60.0625 |
| Africa Eastern and Southern | 2005 | 66.7708333333333 |
| Africa Eastern and Southern | 2004 | 71.6428571428571 |
| Africa Eastern and Southern | 2003 | 77.6176470588235 |
| Africa Western and Central | 2019 | 15.2590909090909 |
| Africa Western and Central | 2018 | 17.7454545454545 |
| Africa Western and Central | 2017 | 17.9045454545455 |
| Africa Western and Central | 2016 | 24.2 |
| Africa Western and Central | 2015 | 25.1727272727273 |
| Africa Western and Central | 2014 | 25.4227272727273 |
| Africa Western and Central | 2013 | 29.3318181818182 |
| Africa Western and Central | 2012 | 35.7619047619048 |
| Africa Western and Central | 2011 | 37.6190476190476 |
| Africa Western and Central | 2010 | 49.8095238095238 |
| Africa Western and Central | 2009 | 50.8095238095238 |
| Africa Western and Central | 2008 | 54.9523809523809 |
| Africa Western and Central | 2007 | 55.8333333333333 |
| Africa Western and Central | 2006 | 59.8333333333333 |
| Africa Western and Central | 2005 | 59.525 |
| Africa Western and Central | 2004 | 43.8 |
| Africa Western and Central | 2003 | 45.4 |
