| 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 | 41.73846153846154 | 
| Africa Eastern and Southern | 2017 | 51.076923076923066 | 
| Africa Eastern and Southern | 2016 | 55.630769230769225 | 
| Africa Eastern and Southern | 2015 | 55.09615384615385 | 
| Africa Eastern and Southern | 2014 | 53.73199999999998 | 
| Africa Eastern and Southern | 2013 | 67.81199999999998 | 
| Africa Eastern and Southern | 2012 | 68.172 | 
| 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 | 150.8083333333333 | 
| Africa Eastern and Southern | 2006 | 156.6125 | 
| Africa Eastern and Southern | 2005 | 176.95000000000002 | 
| Africa Eastern and Southern | 2004 | 221.14285714285714 | 
| Africa Eastern and Southern | 2003 | 312.5176470588235 | 
| Africa Western and Central | 2019 | 38.74545454545454 | 
| Africa Western and Central | 2018 | 48.01363636363637 | 
| Africa Western and Central | 2017 | 53.52272727272727 | 
| Africa Western and Central | 2016 | 57.43636363636363 | 
| Africa Western and Central | 2015 | 63.599999999999994 | 
| Africa Western and Central | 2014 | 65.39999999999999 | 
| Africa Western and Central | 2013 | 74.54545454545453 | 
| Africa Western and Central | 2012 | 87.24285714285715 | 
| Africa Western and Central | 2011 | 98.4190476190476 | 
| Africa Western and Central | 2010 | 110.03809523809522 | 
| Africa Western and Central | 2009 | 117.12857142857145 | 
| Africa Western and Central | 2008 | 146.95714285714288 | 
| Africa Western and Central | 2007 | 222.6095238095238 | 
| Africa Western and Central | 2006 | 254.7761904761905 | 
| Africa Western and Central | 2005 | 240.205 | 
| Africa Western and Central | 2004 | 291.5 | 
| Africa Western and Central | 2003 | 298.85333333333335 |