| 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | |
|---|---|---|---|---|---|---|---|---|
| Sierra Leone | 45.6 | 43.5 | 41.5 | 41.1 | 40.7 | 40.3 | 39.9 | 39.5 |
| Marshall Islands | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | |
| Guinea | 54.1 | 51.0 | 47.9 | 47.3 | 46.7 | 46.0 | 45.4 | 44.8 |
| Venezuela (Bolivarian Republic of) | 6.5 | 4.7 | 2.9 | 2.6 | 2.2 | 1.8 | 1.8 | 1.8 |
| Malta | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Israel | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Norway | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| United Arab Emirates | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Luxembourg | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
| Brazil | 29.5 | 29.7 | 29.9 | 30.0 | 30.0 | 30.0 | 30.1 | 30.1 |
| Tunisia | 8.3 | 7.5 | 6.7 | 6.5 | 6.3 | 6.2 | 6.0 | 4.0 |
| India | 5.0 | 4.5 | 3.9 | 3.8 | 3.7 | 3.6 | 3.5 | 3.4 |
| Burundi | 50.0 | 46.1 | 42.2 | 41.4 | 40.6 | 39.8 | 39.0 | 39.0 |
| Andorra | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Malaysia | 2.1 | 1.5 | 0.8 | 0.7 | 0.5 | 0.2 | 0.0 | 0.0 |
| Costa Rica | 7.3 | 6.2 | 5.1 | 4.8 | 4.6 | 4.4 | 4.1 | 3.9 |
| Djibouti | 25.2 | 23.5 | 15.1 | 13.4 | 11.7 | 10.0 | 8.4 | 8.4 |
| Côte d'Ivoire | 21.4 | 22.8 | 24.2 | 24.5 | 24.8 | 25.1 | 25.4 | 25.6 |
| Lesotho | 40.4 | 30.1 | 19.9 | 17.9 | 15.8 | 13.8 | 11.7 | 9.7 |
| Belize | 4.4 | 4.2 | 4.1 | 4.0 | 4.0 | 4.0 | 4.0 | 3.9 |
| Uzbekistan | 15.1 | 2.9 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Paraguay | 47.0 | 37.6 | 28.2 | 26.4 | 24.5 | 22.6 | 20.7 | 18.8 |
| Cabo Verde | 45.2 | 27.5 | 9.8 | 6.3 | 2.8 | 0.0 | 0.0 | 0.0 |
| Tuvalu | 13.6 | 5.0 | 3.3 | 1.6 | 0.0 | 0.0 | 0.0 | |
| Saint Lucia | 1.6 | 1.3 | 0.5 | 0.4 | 0.2 | 0.0 | 0.0 | 0.0 |
| Chad | 6.7 | 9.1 | 11.5 | 12.0 | 12.5 | 13.0 | 13.4 | 13.9 |
| Viet Nam | 31.5 | 27.4 | 23.2 | 22.4 | 21.5 | 20.7 | 19.9 | 19.1 |
| Bosnia and Herzegovina | 5.8 | 6.4 | 7.1 | 7.2 | 7.2 | 7.3 | 7.3 | 7.3 |
| Jordan | 0.0 | 0.7 | 1.9 | 2.1 | 2.4 | 2.6 | 2.9 | 3.1 |
| Thailand | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
| China | 42.1 | 39.5 | 36.4 | 35.8 | 35.1 | 34.5 | 33.9 | 33.2 |
| New Zealand | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Palau | 33.0 | 17.0 | 1.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Czech Republic | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Lithuania | 29.7 | 23.6 | 17.6 | 16.4 | 15.2 | 14.0 | 12.7 | 11.5 |
| Colombia | 16.4 | 13.9 | 11.4 | 11.0 | 10.5 | 10.0 | 9.5 | 9.0 |
| Angola | 23.8 | 21.5 | 19.2 | 18.7 | 18.3 | 17.8 | 17.3 | 16.9 |
| Niger | 3.8 | 4.6 | 5.5 | 5.6 | 5.8 | 5.9 | 6.1 | 6.3 |
| Argentina | 3.3 | 4.6 | 5.9 | 6.2 | 6.4 | 6.4 | 6.4 | 6.4 |
| Croatia | 1.3 | 1.2 | 1.7 | 1.7 | 1.7 | 1.7 | 1.6 | 1.6 |
| Uganda | 62.0 | 63.6 | 65.1 | 65.4 | 65.7 | 66.0 | 66.3 | 66.6 |
| Romania | 31.5 | 31.5 | 31.5 | 31.5 | 31.5 | 31.5 | ||
| Panama | 34.0 | 31.2 | 28.4 | 27.8 | 27.3 | 26.7 | 26.2 | 25.6 |
| Madagascar | 48.2 | 41.9 | 35.5 | 34.3 | 33.0 | 31.7 | 30.5 | 29.2 |
| Kenya | 33.6 | 36.5 | 39.4 | 40.0 | 40.6 | 41.2 | 41.8 | 42.3 |
| Kazakhstan | 1.8 | 1.4 | 0.8 | 0.7 | 0.6 | 0.5 | 0.4 | 0.3 |
| Cyprus | 0.0 | 0.2 | 0.8 | 0.9 | 1.1 | 1.2 | 1.3 | 1.4 |
| Rwanda | 47.4 | 39.8 | 32.2 | 30.7 | 29.2 | 27.7 | 26.2 | 24.6 |
| Tonga | 13.3 | 12.6 | 9.2 | 8.5 | 7.8 | 7.1 | 6.4 | 6.4 |
| Slovenia | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Mongolia | 20.3 | 13.0 | 5.6 | 4.2 | 2.7 | 1.0 | 0.0 | 0.0 |
| Morocco | 0.0 | 0.6 | 3.7 | 4.4 | 5.0 | 5.6 | 3.8 | 1.9 |
| Mozambique | 26.1 | 30.1 | 34.0 | 34.8 | 35.6 | 36.4 | 37.2 | 38.0 |
| El Salvador | 2.5 | 2.3 | 2.0 | 2.0 | 1.9 | 1.9 | 1.8 | 1.8 |
| Eritrea | 0.1 | 1.6 | 3.1 | 3.5 | 3.7 | 3.7 | 3.7 | 3.7 |
| Kiribati | 22.0 | 18.5 | 15.1 | 14.4 | 13.7 | 13.7 | 13.7 | 13.7 |
| Democratic People's Republic of Korea | 29.1 | 29.1 | 29.1 | 29.1 | 29.1 | 29.1 | 29.1 | |
| Togo | 13.7 | 13.3 | 12.9 | 12.8 | 12.8 | 12.7 | 12.6 | 12.5 |
| Democratic Republic of the Congo | 48.6 | 49.5 | 50.5 | 50.6 | 50.8 | 51.0 | 51.2 | 51.4 |
| Pakistan | 24.4 | 24.3 | 24.3 | 24.2 | 24.2 | 24.2 | 24.2 | 24.2 |
| Fiji | 25.2 | 19.6 | 10.1 | 8.3 | 6.4 | 4.5 | 2.6 | 0.7 |
| Benin | 5.0 | 6.3 | 7.6 | 7.8 | 8.1 | 8.3 | 8.6 | 8.8 |
| Timor-Leste | 20.3 | 27.7 | 29.2 | 30.7 | 30.4 | 30.1 | 29.8 | |
| Montenegro | 8.0 | 7.6 | 7.2 | 6.8 | 6.4 | 6.0 | ||
| Somalia | 3.6 | 10.6 | 17.6 | 19.0 | 20.4 | 21.8 | 23.2 | 24.6 |
| Austria | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Bhutan | 37.0 | 38.0 | 39.2 | 39.5 | 39.7 | 40.0 | 39.4 | 38.6 |
| Myanmar | 9.3 | 15.0 | 20.8 | 21.9 | 23.1 | 23.5 | 24.0 | 24.5 |
| Afghanistan | 43.1 | 43.2 | 43.3 | 43.3 | 43.3 | 43.3 | 43.4 | 43.4 |
| Finland | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Nigeria | 22.8 | 24.4 | 26.0 | 26.3 | 26.6 | 26.9 | 27.2 | 27.6 |
| Ethiopia | 9.0 | 26.8 | 44.6 | 48.2 | 51.7 | 55.3 | 58.9 | 62.4 |
| Sweden | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Algeria | 3.0 | 3.4 | 3.9 | 3.9 | 4.0 | 4.1 | 4.2 | 4.3 |
| Botswana | 15.2 | 14.6 | 14.1 | 14.0 | 13.9 | 13.8 | 13.8 | 13.8 |
| Ireland | 4.6 | 3.2 | 1.9 | 1.6 | 1.3 | 1.1 | 0.8 | 0.5 |
| Honduras | 12.5 | 10.3 | 8.1 | 7.7 | 7.3 | 6.8 | 6.4 | 6.0 |
| Syrian Arab Republic | 1.1 | 2.5 | 3.9 | 4.2 | 4.4 | 4.4 | 4.4 | 4.4 |
| Brunei Darussalam | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | ||
| Armenia | 18.4 | 17.8 | 17.2 | 17.1 | 17.0 | 16.9 | 16.8 | 16.6 |
| Mauritius | 3.7 | 2.5 | 1.3 | 1.1 | 0.9 | 0.6 | 0.6 | 0.6 |
| Nicaragua | 23.4 | 22.1 | 20.8 | 20.5 | 20.3 | 20.0 | 19.8 | 19.5 |
| Oman | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.0 |
| Solomon Islands | 12.1 | 13.8 | 22.6 | 24.3 | 26.1 | 27.9 | 29.6 | 29.1 |
| Mauritania | 13.7 | 14.5 | 15.2 | 15.4 | 15.5 | 15.7 | 15.8 | 16.0 |
| Sao Tome and Principe | 4.3 | 3.8 | 3.4 | 3.3 | 3.2 | 3.1 | 3.0 | 2.9 |
| Georgia | 0.0 | 7.3 | 17.9 | 19.6 | 21.3 | 22.9 | 24.6 | 26.3 |
| Estonia | 1.2 | 0.8 | 0.4 | 0.4 | 0.3 | 0.2 | 0.1 | 0.1 |
| Namibia | 7.6 | 6.8 | 6.1 | 5.9 | 5.8 | 5.6 | 5.5 | 5.3 |
| Central African Republic | 53.3 | 52.5 | 51.7 | 51.5 | 51.4 | 51.4 | 51.4 | 51.4 |
| Mali | 54.3 | 55.0 | 55.6 | 55.7 | 55.9 | 56.0 | 56.1 | 56.2 |
| Mexico | 16.0 | 12.6 | 9.2 | 8.5 | 7.9 | 7.2 | 6.5 | 5.8 |
| Portugal | 3.8 | 2.6 | 1.4 | 1.2 | 1.0 | 0.7 | 0.5 | 0.3 |
| Micronesia (Federated States of) | 40.7 | 40.7 | 40.7 | 40.7 | 40.7 | |||
| Greece | 2.7 | 0.8 | 2.0 | 1.6 | 1.2 | 0.8 | 0.4 | 0.1 |
| Azerbaijan | 44.8 | 33.4 | 22.0 | 19.7 | 17.4 | 15.1 | 12.8 | 10.6 |
| France | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| The former Yugoslav Republic of Macedonia | 10.3 | 10.4 | 11.0 | 11.1 | 11.2 | 11.3 | 11.3 | 11.3 |
| Iraq | 23.4 | 16.8 | 10.2 | 8.9 | 7.5 | 5.3 | 5.3 | 5.3 |
| Switzerland | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Uruguay | 7.9 | 7.4 | 4.9 | 4.5 | 4.0 | 3.5 | 3.0 | 2.5 |
| Poland | 23.4 | 16.0 | 8.5 | 7.0 | 5.6 | 4.1 | 2.6 | 1.1 |
| Peru | 19.9 | 19.0 | 18.0 | 17.8 | 17.6 | 17.4 | 17.3 | 17.1 |
| Swaziland | 7.2 | 7.3 | 7.5 | 7.5 | 7.5 | 7.6 | 7.6 | 7.6 |
| Bolivia (Plurinational State of) | 15.6 | 19.3 | 23.0 | 23.7 | 24.5 | 25.2 | 25.9 | 26.7 |
| United Kingdom | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 |
| Chile | 29.3 | 19.2 | 9.1 | 7.1 | 5.1 | 3.1 | 1.0 | 0.0 |
| Albania | 14.5 | 9.2 | 3.9 | 2.8 | 1.8 | 0.7 | 0.0 | 0.0 |
| Guatemala | 28.8 | 29.1 | 29.4 | 29.5 | 29.5 | 29.6 | 29.7 | 29.7 |
| Philippines | 11.4 | 8.4 | 5.9 | 5.4 | 4.9 | 4.5 | 4.0 | 3.5 |
| Indonesia | 19.4 | 15.6 | 11.8 | 11.1 | 10.3 | 9.6 | 8.8 | 8.0 |
| Guyana | 14.5 | 11.2 | 7.8 | 7.1 | 6.5 | 5.8 | 5.1 | 4.5 |
| Comoros | 73.5 | 70.6 | 67.7 | 67.2 | 66.6 | 66.0 | 65.4 | 65.4 |
| Bangladesh | 48.1 | 44.7 | 41.2 | 40.5 | 39.8 | 39.1 | 38.4 | 37.7 |
| Vanuatu | 34.0 | 34.0 | 34.2 | 34.3 | 34.3 | 34.4 | 34.4 | 34.4 |
| Gabon | 41.8 | 41.7 | 41.7 | 41.7 | 41.6 | 41.6 | 41.6 | 41.6 |
| Iran (Islamic Republic of) | 2.3 | 2.4 | 2.5 | 2.5 | 2.6 | 2.6 | 2.6 | 2.6 |
| South Sudan | 14.6 | 15.1 | 15.7 | 16.3 | 16.9 | |||
| Latvia | 27.1 | 23.9 | 19.8 | 18.9 | 18.1 | 17.3 | 16.5 | 15.7 |
| Yemen | 32.3 | 29.8 | 25.7 | 24.8 | 24.0 | 23.2 | 22.3 | 21.5 |
| Gambia | 8.7 | 22.4 | 36.0 | 38.7 | 41.5 | 44.2 | 46.9 | 49.6 |
| Jamaica | 3.7 | 2.5 | 1.3 | 1.1 | 0.8 | 0.6 | 0.3 | 0.3 |
| Papua New Guinea | 70.0 | 70.0 | 70.0 | 70.0 | 70.0 | 70.0 | 70.0 | 70.0 |
| Zambia | 47.1 | 48.0 | 48.8 | 49.0 | 49.2 | 49.3 | 49.5 | 49.7 |
| Guinea-Bissau | 39.2 | 45.1 | 51.1 | 52.3 | 53.5 | 54.7 | 55.9 | 57.1 |
| Equatorial Guinea | 13.5 | 17.2 | 15.8 | 16.6 | 17.3 | 18.0 | 18.0 | 18.0 |
| Republic of Moldova | 34.4 | 30.7 | 27.0 | 26.3 | 25.5 | 24.8 | 24.0 | 23.3 |
| Serbia | 1.5 | 3.7 | 5.8 | 6.2 | 6.6 | 7.0 | 7.5 | 7.9 |
| Ecuador | 12.2 | 9.3 | 6.3 | 5.7 | 5.1 | 4.5 | 4.0 | 3.4 |
| Cameroon | 50.6 | 53.7 | 56.7 | 57.3 | 57.9 | 58.5 | 59.1 | 59.8 |
| Malawi | 33.8 | 32.4 | 31.0 | 30.8 | 30.5 | 30.2 | 29.9 | 29.6 |
| Turkmenistan | 1.9 | 1.3 | 0.8 | 0.7 | 0.5 | 0.4 | 0.3 | 0.2 |
| Sudan | 21.8 | 22.7 | 27.5 | 28.4 | 29.4 | 30.3 | 31.3 | 32.2 |
| Burkina Faso | 9.9 | 8.6 | 6.9 | 6.5 | 6.2 | 5.9 | 5.5 | 5.2 |
| Liberia | 6.7 | 9.1 | 11.5 | 11.9 | 12.4 | 12.9 | 13.4 | 13.8 |
| Ghana | 30.2 | 24.9 | 19.7 | 18.7 | 17.6 | 16.6 | 15.5 | 14.5 |
| Bulgaria | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Turkey | 27.0 | 21.3 | 14.2 | 12.8 | 11.4 | 10.0 | 8.5 | 7.1 |
| Egypt | 2.4 | 3.3 | 4.1 | 4.3 | 4.5 | 4.6 | 4.6 | 4.6 |
| Zimbabwe | 4.8 | 7.6 | 11.0 | 11.7 | 12.4 | 13.1 | 13.8 | 14.5 |
| Ukraine | 6.5 | 5.6 | 4.5 | 4.3 | 4.1 | 3.9 | 3.7 | 3.7 |
| Italy | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 | ||
| Cambodia | 3.4 | 3.4 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 |
| Iceland | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Congo | 68.8 | 67.8 | 66.6 | 66.4 | 66.1 | 65.9 | 65.7 | 65.7 |
| Belgium | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Spain | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Slovakia | 0.2 | 0.2 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.0 |
| United States of America | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
| Netherlands | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Haiti | 29.9 | 29.2 | 28.6 | 28.5 | 28.3 | 28.2 | 28.1 | 28.1 |
| Hungary | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Germany | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Senegal | 31.7 | 31.6 | 31.5 | 31.5 | 31.5 | 31.5 | 31.5 | 31.5 |
| Sri Lanka | 13.8 | 7.0 | 3.0 | 2.2 | 1.4 | 0.6 | 0.0 | 0.0 |
| Russian Federation | 45.3 | 37.3 | 30.3 | 28.9 | 27.5 | 26.9 | 25.5 | 24.1 |
| Kyrgyzstan | 6.9 | 4.9 | 2.5 | 2.0 | 1.5 | 1.0 | 0.5 | 0.0 |
| Maldives | 3.0 | 3.4 | 1.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Tajikistan | 7.1 | 5.1 | 3.1 | 2.7 | 2.3 | 1.9 | 1.5 | 1.5 |
| South Africa | 23.5 | 21.2 | 18.9 | 18.4 | 18.0 | 17.5 | 17.1 | 16.6 |
| Samoa | 1.5 | 1.7 | 2.7 | 2.8 | 3.0 | 3.2 | 3.4 | 3.6 |
| Suriname | 2.7 | 5.6 | 8.4 | 9.0 | 9.6 | 9.6 | 9.6 | 9.6 |
| Nepal | 7.9 | 7.1 | 6.3 | 6.2 | 6.0 | 5.8 | 5.7 | 5.5 |
| Dominican Republic | 6.7 | 5.7 | 4.8 | 4.6 | 4.4 | 4.2 | 4.0 | 3.8 |
| Belarus | 0.5 | 0.9 | 1.9 | 2.1 | 2.4 | 2.6 | 2.8 | 3.0 |
| Cuba | 9.9 | 8.2 | 6.6 | 6.2 | 5.9 | 5.6 | 5.2 | 4.9 |
| Denmark | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| United Republic of Tanzania | 82.2 | 75.8 | 69.5 | 68.3 | 67.0 | 65.7 | 64.5 | 63.2 |