| Country or Area | Year(s) | Value |
|---|---|---|
| Albania | 2005 | 2.3 |
| Algeria | 2006 | 6.9 |
| Angola | 2001 | 11.1 |
| Armenia | 2005 | 32.5 |
| Austria | 2006 | 10 |
| Azerbaijan | 2006 | 11.8 |
| Bangladesh | 2006 | 37.4 |
| Belarus | 2005 | 9 |
| Belize | 2006 | 10.2 |
| Benin | 2006 | 43.1 |
| Bolivia (Plurinational State of) | 2003-2004 | 53.6 |
| Bosnia and Herzegovina | 2006 | 17.6 |
| Brazil | 2006 | 39.8 |
| Burkina Faso | 2003 | 18.8 |
| Burundi | 2005 | 44.7 |
| Côte d'Ivoire | 2006 | 4.3 |
| Cambodia | 2005-2006 | 60 |
| Cameroon | 2006 | 21.2 |
| Canada | 2003 | 17 |
| Cape Verde | 2005 | 59.6 |
| Central African Republic | 2006 | 23.1 |
| Chad | 2004 | 2.1 |
| Chile | 2002 | 58.1 |
| Colombia | 2005 | 46.8 |
| Comoros | 2000 | 21.3 |
| Congo | 2005 | 19.1 |
| Cuba | 2006 | 26.4 |
| Democratic People's Republic of Korea | 2004 | 65.1 |
| Democratic Republic of the Congo | 2007 | 36.1 |
| Djibouti | 2006 | 1.3 |
| Dominican Republic | 2007 | 7.8 |
| Ecuador | 2004 | 39.6 |
| Egypt | 2008 | 46.8 |
| El Salvador | 2008 | 31.4 |
| Eritrea | 2002 | 52 |
| Ethiopia | 2005 | 49 |
| Fiji | 2004 | 39.8 |
| Finland | 2005 | 10 |
| Gabon | 2000-2001 | 5.2 |
| Gambia | 2006 | 40.8 |
| Georgia | 2005 | 10.9 |
| Germany | 2005 | 22.4 |
| Ghana | 2006 | 54.4 |
| Guatemala | 2002 | 50.6 |
| Guinea | 2005 | 27 |
| Guinea-Bissau | 2006 | 16.1 |
| Guyana | 2006-2007 | 21.4 |
| Haiti | 2005-2006 | 40.6 |
| Honduras | 2005-2006 | 29.7 |
| India | 2005-2006 | 46.4 |
| Indonesia | 2002-2003 | 39.5 |
| Iran (Islamic Republic of) | 2002 | 44.1 |
| Iraq | 2006 | 25.1 |
| Jamaica | 2005 | 15.2 |
| Jordan | 2007 | 21.8 |
| Kazakhstan | 2006 | 16.8 |
| Kenya | 2003 | 12.7 |
| Kyrgyzstan | 2006 | 31.5 |
| Lao People's Democratic Republic | 2006 | 26.4 |
| Lesotho | 2004-2005 | 36.4 |
| Liberia | 2006-2007 | 29.1 |
| Madagascar | 2003-2004 | 67.2 |
| Malawi | 2006 | 56.7 |
| Maldives | 2001 | 10.4 |
| Mali | 2007 | 34.3 |
| Mauritania | 2007 | 11.4 |
| Mongolia | 2005 | 57 |
| Montenegro | 2005-2006 | 19.3 |
| Morocco | 2003-2004 | 31 |
| Mozambique | 2003 | 30 |
| Myanmar | 2000 | 11 |
| Namibia | 2006-2007 | 23.9 |
| Nepal | 2006 | 53 |
| Nicaragua | 2006-2007 | 30.6 |
| Niger | 2006 | 13.5 |
| Nigeria | 2007 | 11.7 |
| Pakistan | 2006-2007 | 37.1 |
| Paraguay | 2004 | 21.9 |
| Peru | 2003-2004 | 63.9 |
| Philippines | 2003 | 33.5 |
| Republic of Moldova | 2005 | 45.5 |
| Romania | 2004 | 15.8 |
| Rwanda | 2005 | 88.4 |
| Sao Tome and Principe | 2006 | 60.4 |
| Senegal | 2005 | 34.1 |
| Serbia | 2005-2006 | 15.1 |
| Sierra Leone | 2005 | 7.9 |
| Somalia | 2006 | 9.1 |
| South Africa | 2003-2004 | 7.2 |
| Sri Lanka | 2000 | 52.6 |
| Sudan | 2006 | 33.7 |
| Suriname | 2001 | 9.2 |
| Swaziland | 2006-2007 | 32.3 |
| Switzerland | 2003 | 14 |
| Syrian Arab Republic | 2006 | 28.7 |
| Tajikistan | 2005 | 25.4 |
| Thailand | 2005-2006 | 5.4 |
| The former Yugoslav Republic of Macedonia | 2005-2006 | 16.2 |
| Timor-Leste | 2003 | 30.7 |
| Togo | 2006 | 28.4 |
| Trinidad and Tobago | 2006 | 12.8 |
| Tunisia | 2006 | 6.2 |
| Turkey | 2003-2004 | 20.8 |
| Turkmenistan | 2005 | 11 |
| Uganda | 2006 | 60.1 |
| Ukraine | 2007 | 18.2 |
| United Kingdom | 2005 | 1 |
| United Republic of Tanzania | 2004-2005 | 41.3 |
| United States of America | 2005 | 11.9 |
| Uruguay | 2003 | 54.1 |
| Uzbekistan | 2006 | 26.4 |
| Viet Nam | 2006 | 16.9 |
| Yemen | 2003 | 11.5 |
| Zambia | 2001-2002 | 40.1 |
| Zimbabwe | 2005-2006 | 22.2 |
