| Country name | Compulsory Years | Source Year |
| Bangladesh | 5 | 2008 |
| Madagascar | 5 | 2007 |
| Laos | 5 | 2008 |
| Iraq | 6 | 2007 |
| Liberia | 6 | 2008 |
| Benin | 6 | 2008 |
| Trinidad and Tobago | 7 | 2007 |
| Nicaragua | 6 | 2007 |
| Jamaica | 6 | 2007 |
| Singapore | 6 | 2008 |
| Chad | 6 | 2007 |
| Cape Verde | 6 | 2007 |
| Equatorial Guinea | 5 | 2007 |
| Sierra Leone | 6 | 2007 |
| Cameroon | 6 | 2008 |
| Angola | 6 | 2007 |
| Saudi Arabia | 6 | 2008 |
| Haiti | 6 | 2006 |
| Malaysia | 6 | 2007 |
| Honduras | 6 | 2007 |
| Guinea-Bissau | 6 | 2007 |
| Lesotho | 7 | 2007 |
| Samoa | 8 | 2007 |
| Guinea | 6 | 2008 |
| Philippines | 7 | 2007 |
| Swaziland | 7 | 2007 |
| Sao Tome and Principe | 6 | 2008 |
| Gambia, The | 6 | 2008 |
| Senegal | 6 | 2008 |
| Rwanda | 6 | 2007 |
| Zimbabwe | 7 | 2007 |
| Ethiopia | 6 | 2008 |
| Mozambique | 7 | 2009 |
| Vanuatu | 7 | 2007 |
| Maldives | 7 | 2008 |
| Burundi | 6 | 2007 |
| Uganda | 7 | 2007 |
| Niger | 6 | 2007 |
| Sri Lanka | 9 | 2007 |
| Somalia | 8 | 2007 |
| Dominican Republic | 9 | 2008 |
| Iran | 8 | 2008 |
| Zambia | 7 | 2007 |
| Chile | 8 | 2007 |
| Malawi | 8 | 2008 |
| Tanzania | 7 | 2008 |
| Comoros | 8 | 2007 |
| Congo, Democratic Republic of the | 8 | 2007 |
| Sudan | 8 | 2009 |
| Bolivia | 8 | 2007 |
| Albania | 8 | 2008 |
| Micronesia, Federated States of | 8 | 2007 |
| Suriname | 7 | 2008 |
| Kenya | 8 | 2009 |
| Paraguay | 9 | 2007 |
| Panama | 9 | 2008 |
| Palau | 9 | 2007 |
| Korea, South | 9 | 2007 |
| Guyana | 9 | 2008 |
| Marshall Islands | 9 | 2007 |
| Mauritania | 9 | 2007 |
| Nigeria | 9 | 2007 |
| Macedonia | 8 | 2007 |
| Hong Kong | 9 | 2007 |
| Portugal | 9 | 2007 |
| Romania | 8 | 2007 |
| Libya | 9 | 2007 |
| Papua New Guinea | 9 | 2007 |
| Liechtenstein | 9 | 2007 |
| India | 9 | 2008 |
| Qatar | 9 | 2008 |
| Saint Lucia | 10 | 2008 |
| Macau | 10 | 2008 |
| Montenegro | 8 | 2007 |
| Vietnam | 9 | 2008 |
| Syria | 9 | 2007 |
| Brunei | 9 | 2008 |
| Thailand | 9 | 2008 |
| Bulgaria | 8 | 2008 |
| Timor-Leste | 9 | 2008 |
| Brazil | 8 | 2006 |
| Tonga | 9 | 2007 |
| Belize | 10 | 2008 |
| Turkey | 9 | 2007 |
| Belarus | 9 | 2008 |
| Bahrain | 9 | 2007 |
| Tuvalu | 8 | 2007 |
| Austria | 9 | 2007 |
| United Arab Emirates | 9 | 2007 |
| Armenia | 8 | 2007 |
| Venezuela | 10 | 2007 |
| China | 9 | 2007 |
| Colombia | 10 | 2008 |
| Costa Rica | 10 | 2008 |
| Serbia | 8 | 2008 |
| Georgia | 9 | 2008 |
| Eritrea | 8 | 2007 |
| Slovenia | 9 | 2007 |
| Egypt | 9 | 2007 |
| Ghana | 9 | 2008 |
| Ecuador | 10 | 2008 |
| Croatia | 8 | 2007 |
| Greece | 9 | 2007 |
| Djibouti | 9 | 2008 |
| Cyprus | 9 | 2007 |
| Cuba | 9 | 2008 |
| Moldova | 9 | 2007 |
| Uruguay | 10 | 2007 |
| Mongolia | 9 | 2007 |
| Yemen | 10 | 2008 |
| Morocco | 10 | 2008 |
| Seychelles | 10 | 2007 |
| Turkmenistan | 9 | 2007 |
| Switzerland | 9 | 2007 |
| Taiwan | 10 | 2009 |
| South Africa | 9 | 2007 |
| West Bank | 10 | 2007 |
| Russia | 10 | 2007 |
| Saint Vincent and the Grenadines | 11 | 2008 |
| Togo | 10 | 2007 |
| Slovakia | 10 | 2007 |
| Netherlands Antilles | 10 | 2007 |
| Poland | 9 | 2007 |
| Botswana | 10 | 2007 |
| Indonesia | 9 | 2007 |
| Ireland | 10 | 2007 |
| Israel | 11 | 2007 |
| Italy | 10 | 2007 |
| Japan | 10 | 2007 |
| Jordan | 10 | 2007 |
| Kiribati | 10 | 2007 |
| Korea, North | 10 | 2007 |
| Cook Islands | 11 | 2007 |
| Guatemala | 9 | 2007 |
| Gibraltar | 12 | 2008 |
| Afghanistan | 9 | 2008 |
| Central African Republic | 10 | 2008 |
| Congo, Republic of the | 10 | 2008 |
| Côte d'Ivoire | 10 | 2007 |
| Czech Republic | 10 | 2007 |
| El Salvador | 9 | 2008 |
| Estonia | 9 | 2007 |
| Fiji | 10 | 2007 |
| Kuwait | 10 | 2008 |
| Lebanon | 10 | 2008 |
| Malta | 11 | 2007 |
| Luxembourg | 10 | 2007 |
| Mexico | 10 | 2007 |
| Mali | 9 | 2008 |
| Kyrgyzstan | 9 | 2008 |
| Lithuania | 9 | 2007 |
| Tajikistan | 9 | 2007 |
| Latvia | 9 | 2007 |
| Australia | 11 | 2007 |
| United Kingdom | 12 | 2007 |
| Canada | 11 | 2008 |
| Cayman Islands | 12 | 2007 |
| Mauritius | 12 | 2008 |
| Andorra | 11 | 2008 |
| Sweden | 10 | 2007 |
| Algeria | 11 | 2008 |
| Iceland | 11 | 2007 |
| Montserrat | 12 | 2007 |
| Monaco | 11 | 2008 |
| British Virgin Islands | 12 | 2007 |
| Saint Kitts and Nevis | 12 | 2008 |
| Azerbaijan | 11 | 2007 |
| Aruba | 11 | 2008 |
| Bahamas, The | 12 | 2007 |
| Antigua and Barbuda | 12 | 2007 |
| Anguilla | 12 | 2008 |
| Barbados | 12 | 2008 |
| Tunisia | 11 | 2007 |
| Bermuda | 12 | 2007 |
| Turks and Caicos Islands | 13 | 2007 |
| Spain | 11 | 2007 |
| France | 11 | 2008 |
| Gabon | 11 | 2007 |
| Niue | 12 | 2007 |
| Nauru | 11 | 2007 |
| San Marino | 11 | 2008 |
| Grenada | 12 | 2007 |
| Hungary | 10 | 2007 |
| New Zealand | 12 | 2007 |
| Finland | 10 | 2007 |
| Isle of Man | 12 | 2000 |
| Norway | 11 | 2007 |
| Denmark | 10 | 2007 |
| Peru | 11 | 2007 |
| Namibia | 10 | 2008 |
| Falkland Islands (Islas Malvinas) | 11 | 2000 |
| Dominica | 12 | 2007 |
| Burkina Faso | 11 | 2008 |
| Kazakhstan | 11 | 2008 |
| United States | 12 | 2007 |
| Uzbekistan | 11 | 2007 |
| Argentina | 13 | 2007 |
| Ukraine | 12 | 2007 |
| Netherlands | 13 | 2008 |
| Belgium | 13 | 2007 |
| Germany | 13 | 2007 |
| Pakistan | 5 | 2008 |
| Burma | 5 | 2007 |
| Oman | 0 | 2007 |
| Solomon Islands | 0 | 2002 |
| Cambodia | 0 | 2008 |
| Holy See (Vatican City) | 0 | 2007 |
| Tokelau | 0 | 2007 |
| Bhutan | 0 | 2008 |
| No Results | ||
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