| Country or Area | Year | Value | |
|---|
| Afghanistan | 2019 | 6.8 |
| Afghanistan | 2018 | 6.4 |
| Afghanistan | 2017 | 82.3 |
| Afghanistan | 2016 | 19.9 |
| Afghanistan | 2015 | 19 |
| Afghanistan | 2014 | 15.1 |
| Afghanistan | 2013 | 14.4 |
| Afghanistan | 2012 | 22.5 |
| Afghanistan | 2011 | 25.8 |
| Afghanistan | 2010 | 26.7 |
| Afghanistan | 2009 | 30.2 |
| Afghanistan | 2008 | 59.5 |
| Afghanistan | 2007 | 84.6 |
| Afghanistan | 2006 | 67.4 |
| Afghanistan | 2005 | 75.2 |
| Afghanistan | 2004 | 72 |
| Africa Eastern and Southern | 2019 | 34.23076923076923 |
| Africa Eastern and Southern | 2018 | 41.73846153846153 |
| Africa Eastern and Southern | 2017 | 51.07692307692308 |
| Africa Eastern and Southern | 2016 | 55.630769230769225 |
| Africa Eastern and Southern | 2015 | 55.09615384615385 |
| Africa Eastern and Southern | 2014 | 53.736000000000004 |
| Africa Eastern and Southern | 2013 | 67.81200000000001 |
| Africa Eastern and Southern | 2012 | 68.17199999999998 |
| Africa Eastern and Southern | 2011 | 82.89166666666668 |
| Africa Eastern and Southern | 2010 | 101.80833333333335 |
| Africa Eastern and Southern | 2009 | 114.32916666666667 |
| Africa Eastern and Southern | 2008 | 133.42083333333332 |
| Africa Eastern and Southern | 2007 | 150.81249999999997 |
| Africa Eastern and Southern | 2006 | 156.6125 |
| Africa Eastern and Southern | 2005 | 176.94999999999996 |
| Africa Eastern and Southern | 2004 | 221.14761904761906 |
| Africa Eastern and Southern | 2003 | 312.5176470588235 |
| Africa Western and Central | 2019 | 38.75000000000001 |
| Africa Western and Central | 2018 | 48.02272727272728 |
| Africa Western and Central | 2017 | 53.531818181818174 |
| Africa Western and Central | 2016 | 57.445454545454545 |
| Africa Western and Central | 2015 | 63.60909090909092 |
| Africa Western and Central | 2014 | 65.4090909090909 |
| Africa Western and Central | 2013 | 74.55454545454545 |
| Africa Western and Central | 2012 | 87.25238095238095 |
| Africa Western and Central | 2011 | 98.42857142857143 |
| Africa Western and Central | 2010 | 110.04761904761902 |
| Africa Western and Central | 2009 | 117.13809523809525 |
| Africa Western and Central | 2008 | 146.96666666666667 |
| Africa Western and Central | 2007 | 222.6095238095238 |
| Africa Western and Central | 2006 | 254.7761904761905 |
| Africa Western and Central | 2005 | 240.20499999999993 |
| Africa Western and Central | 2004 | 291.5 |
| Africa Western and Central | 2003 | 298.85333333333335 |
