| Country or Area | Year | Value | |
|---|
| Afghanistan | 2019 | 0 |
| Afghanistan | 2018 | 0 |
| Afghanistan | 2017 | 0 |
| Afghanistan | 2016 | 0 |
| Afghanistan | 2015 | 0 |
| Afghanistan | 2014 | 0 |
| Afghanistan | 2013 | 0 |
| Afghanistan | 2012 | 0 |
| Afghanistan | 2011 | 0 |
| Afghanistan | 2010 | 0 |
| Afghanistan | 2009 | 0 |
| Afghanistan | 2008 | 0 |
| Afghanistan | 2007 | 0 |
| Afghanistan | 2006 | 0 |
| Afghanistan | 2005 | 0 |
| Africa Eastern and Southern | 2019 | 8.084000000000001 |
| Africa Eastern and Southern | 2018 | 8.080000000000002 |
| Africa Eastern and Southern | 2017 | 8.052000000000001 |
| Africa Eastern and Southern | 2016 | 8.012000000000002 |
| Africa Eastern and Southern | 2015 | 7.912000000000002 |
| Africa Eastern and Southern | 2014 | 7.768000000000001 |
| Africa Eastern and Southern | 2013 | 7.42 |
| Africa Eastern and Southern | 2012 | 7.411999999999999 |
| Africa Eastern and Southern | 2011 | 7.029166666666668 |
| Africa Eastern and Southern | 2010 | 7.237500000000001 |
| Africa Eastern and Southern | 2009 | 7.166666666666668 |
| Africa Eastern and Southern | 2008 | 7.133333333333334 |
| Africa Eastern and Southern | 2007 | 7.283333333333334 |
| Africa Eastern and Southern | 2006 | 7.291666666666667 |
| Africa Eastern and Southern | 2005 | 7.291666666666667 |
| Africa Western and Central | 2019 | 21.47727272727273 |
| Africa Western and Central | 2018 | 21.022727272727273 |
| Africa Western and Central | 2017 | 20.972727272727273 |
| Africa Western and Central | 2016 | 20.972727272727273 |
| Africa Western and Central | 2015 | 20.90909090909091 |
| Africa Western and Central | 2014 | 20.89545454545454 |
| Africa Western and Central | 2013 | 20.618181818181817 |
| Africa Western and Central | 2012 | 21.290476190476188 |
| Africa Western and Central | 2011 | 21.29523809523809 |
| Africa Western and Central | 2010 | 20.538095238095238 |
| Africa Western and Central | 2009 | 20.176190476190477 |
| Africa Western and Central | 2008 | 20.195238095238096 |
| Africa Western and Central | 2007 | 20.195238095238096 |
| Africa Western and Central | 2006 | 20.195238095238096 |
| Africa Western and Central | 2005 | 21.105 |
| Albania | 2019 | 18.8 |
| Albania | 2018 | 18.8 |
| Albania | 2017 | 18.8 |
| Albania | 2016 | 18.8 |
| Albania | 2015 | 18.8 |
