| Country name | 2008 | 2009 | 2010 | 2011 | 2012 | ||
|---|---|---|---|---|---|---|---|
| Afghanistan | 4 | 4 | 4 | 4 | 4 |
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| Albania | 6 | 5 | 5 | 5 | 4 |
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| Algeria | 14 | 14 | 14 | 14 | 14 |
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| American Samoa | |||||||
| Andorra | |||||||
| Angola | 8 | 8 | 8 | 8 | 8 |
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| Antigua and Barbuda | 8 | 8 | 8 | 8 | 8 |
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| Argentina | 14 | 14 | 14 | 14 | 14 |
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| Armenia | 8 | 5 | 5 | 3 | 3 |
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| Aruba | |||||||
| Australia | 2 | 2 | 2 | 2 | 2 |
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| Austria | 8 | 8 | 8 | 8 | 8 |
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| Azerbaijan | 6 | 6 | 6 | 6 | 6 |
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| Bahamas, The | 7 | 7 | 7 | 7 | 7 |
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| Bahrain | 7 | 7 | 7 | 7 | 7 |
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| Bangladesh | 7 | 7 | 7 | 7 | 7 |
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| Barbados | 8 | 8 |
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| Belarus | 8 | 5 | 5 | 5 | 5 |
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| Belgium | 3 | 3 | 3 | 3 | 3 |
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| Belize | 9 | 9 | 9 | 9 | 9 |
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| Benin | 7 | 7 | 7 | 6 | 5 |
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| Bermuda | |||||||
| Bhutan | 8 | 8 | 8 | 8 | 8 |
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| Bolivia | 15 | 15 | 15 | 15 | 15 |
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| Bosnia and Herzegovina | 12 | 12 | 12 | 12 | 11 |
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| Botswana | 10 | 10 | 10 | 10 | 10 |
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| Brazil | 16 | 14 | 13 | 13 | 13 |
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| Brunei Darussalam | 18 | 18 | 15 | 15 | 15 |
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| Bulgaria | 4 | 4 | 4 | 4 | 4 |
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| Burkina Faso | 5 | 4 | 4 | 3 | 3 |
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| Burundi | 8 | 8 | 8 | 8 | 4 |
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| Cambodia | 9 | 9 | 9 | 9 | 9 |
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| Cameroon | 11 | 10 | 6 | 5 | 5 |
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| Canada | 1 | 1 | 1 | 1 | 1 |
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| Cape Verde | 12 | 9 | 8 | 8 | 8 |
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| Cayman Islands | |||||||
| Central African Republic | 11 | 9 | 9 | 8 | 8 |
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| Chad | 13 | 13 | 13 | 11 | 9 |
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| Chile | 9 | 9 | 8 | 7 | 7 |
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| China | 14 | 14 | 14 | 14 | 13 |
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| Colombia | 9 | 9 | 9 | 9 | 8 |
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| Comoros | 10 | 10 | 10 | 10 | 9 |
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| Congo, Dem. Rep. | 14 | 14 | 10 | 10 | 10 |
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| Congo, Rep. | 11 | 11 | 11 | 11 | 11 |
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| Costa Rica | 12 | 12 | 12 | 12 | 12 |
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| Cote d'Ivoire | 10 | 10 | 10 | 10 | 10 |
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| Croatia | 7 | 7 | 6 | 6 | 6 |
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| Cuba | |||||||
| Curacao | |||||||
| Cyprus | 6 | 6 | 6 | 6 | 6 |
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| Czech Republic | 9 | 9 | 9 | 9 | 9 |
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| Denmark | 4 | 4 | 4 | 4 | 4 |
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| Djibouti | 11 | 11 | 11 | 11 | 11 |
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| Dominica | 5 | 5 | 5 | 5 | 5 |
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| Dominican Republic | 8 | 8 | 8 | 7 | 7 |
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| Ecuador | 14 | 13 | 13 | 13 | 13 |
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| Egypt, Arab Rep. | 6 | 6 | 6 | 6 | 6 |
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| El Salvador | 8 | 8 | 8 | 8 | 8 |
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| Equatorial Guinea | 18 | 18 | 18 | 18 | 18 |
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| Eritrea | 13 | 13 | 13 | 13 | 13 |
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| Estonia | 5 | 5 | 5 | 5 | 5 |
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| Ethiopia | 9 | 9 | 9 | 9 | 9 |
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| Faeroe Islands | |||||||
| Fiji | 8 | 8 | 8 | 9 | 11 |
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| Finland | 3 | 3 | 3 | 3 | 3 |
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| France | 5 | 5 | 5 | 5 | 5 |
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| French Polynesia | |||||||
| Gabon | 9 | 9 | 9 | 9 | 9 |
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| Gambia, The | 8 | 8 | 8 | 8 | 8 |
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| Georgia | 3 | 3 | 3 | 2 | 2 |
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| Germany | 9 | 9 | 9 | 9 | 9 |
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| Ghana | 8 | 7 | 7 | 7 | 7 |
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| Greece | 15 | 15 | 15 | 11 | 11 |
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| Greenland | |||||||
| Grenada | 6 | 6 | 6 | 6 | 6 |
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| Guam | |||||||
| Guatemala | 12 | 12 | 12 | 12 | 12 |
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| Guinea | 12 | 12 | 12 | 12 | 6 |
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| Guinea-Bissau | 17 | 17 | 17 | 9 | 9 |
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| Guyana | 8 | 8 | 8 | 8 | 8 |
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| Haiti | 13 | 13 | 12 | 12 | 12 |
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| Honduras | 13 | 13 | 13 | 13 | 13 |
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| Hong Kong SAR, China | 5 | 3 | 3 | 3 | 3 |
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| Hungary | 4 | 4 | 4 | 4 | 4 |
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| Iceland | 5 | 5 | 5 | 5 | 5 |
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| India | 13 | 13 | 12 | 12 | 12 |
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| Indonesia | 11 | 10 | 10 | 9 | 9 |
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| Iran, Islamic Rep. | 8 | 7 | 6 | 6 | 7 |
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| Iraq | 11 | 11 | 11 | 11 | 10 |
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| Ireland | 4 | 4 | 4 | 4 | 4 |
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| Isle of Man | |||||||
| Israel | 5 | 5 | 5 | 5 | 5 |
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| Italy | 6 | 6 | 6 | 6 | 6 |
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| Jamaica | 6 | 6 | 6 | 6 | 6 |
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| Japan | 8 | 8 | 8 | 8 | 8 |
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| Jordan | 8 | 7 | 7 | 7 | 7 |
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| Kazakhstan | 8 | 7 | 6 | 6 | 6 |
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| Kenya | 12 | 12 | 11 | 11 | 10 |
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| Kiribati | 7 | 7 | 7 | 7 | 7 |
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| Korea, Dem. Rep. | |||||||
| Korea, Rep. | 10 | 8 | 8 | 5 | 5 |
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| Kosovo | 9 | 10 | 10 | 9 |
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| Kuwait | 13 | 13 | 13 | 12 | 12 |
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| Kyrgyz Republic | 4 | 3 | 2 | 2 | 2 |
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| Lao PDR | 7 | 7 | 7 | 7 | 6 |
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| Latvia | 5 | 5 | 5 | 4 | 4 |
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| Lebanon | 5 | 5 | 5 | 5 | 5 |
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| Lesotho | 7 | 7 | 7 | 7 | 7 |
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| Liberia | 6 | 5 | 5 | 4 | 4 |
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| Libya | |||||||
| Liechtenstein | |||||||
| Lithuania | 7 | 7 | 6 | 6 | 7 |
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| Luxembourg | 6 | 6 | 6 | 6 | 6 |
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| Macao SAR, China | |||||||
| Macedonia, FYR | 7 | 4 | 3 | 3 | 2 |
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| Madagascar | 5 | 2 | 2 | 3 | 2 |
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| Malawi | 10 | 10 | 10 | 10 | 10 |
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| Malaysia | 10 | 10 | 9 | 3 | 3 |
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| Maldives | 5 | 5 | 5 | 5 | 5 |
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| Mali | 10 | 6 | 6 | 4 | 4 |
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| Malta | 11 | 11 |
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| Marshall Islands | 5 | 5 | 5 | 5 | 5 |
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| Mauritania | 9 | 9 | 9 | 9 | 9 |
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| Mauritius | 5 | 5 | 5 | 5 | 5 |
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| Mexico | 9 | 8 | 6 | 6 | 6 |
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| Micronesia, Fed. Sts. | 7 | 7 | 7 | 7 | 7 |
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| Moldova | 9 | 8 | 8 | 7 | 7 |
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| Monaco | |||||||
| Mongolia | 7 | 7 | 7 | 7 | 7 |
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| Montenegro | 13 | 11 | 7 | 6 | 6 |
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| Morocco | 6 | 6 | 6 | 6 | 6 |
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| Mozambique | 10 | 10 | 9 | 9 | 9 |
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| Myanmar | |||||||
| Namibia | 10 | 10 | 10 | 10 | 10 |
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| Nepal | 7 | 7 | 7 | 7 | 7 |
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| Netherlands | 6 | 6 | 6 | 6 | 5 |
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| New Caledonia | |||||||
| New Zealand | 1 | 1 | 1 | 1 | 1 |
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| Nicaragua | 8 | 8 | 8 | 8 | 8 |
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| Niger | 11 | 9 | 9 | 9 | 9 |
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| Nigeria | 8 | 8 | 8 | 8 | 8 |
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| Northern Mariana Islands | |||||||
| Norway | 5 | 5 | 5 | 5 | 5 |
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| Oman | 7 | 5 | 5 | 5 | 5 |
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| Pakistan | 11 | 10 | 10 | 10 | 10 |
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| Palau | 8 | 8 | 8 | 8 | 8 |
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| Panama | 6 | 6 | 6 | 6 | 6 |
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| Papua New Guinea | 6 | 6 | 6 | 6 | 6 |
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| Paraguay | 7 | 7 | 7 | 7 | 7 |
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| Peru | 10 | 9 | 6 | 5 | 5 |
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| Philippines | 17 | 18 | 17 | 16 | 16 |
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| Poland | 10 | 6 | 6 | 6 | 6 |
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| Portugal | 6 | 6 | 6 | 5 | 5 |
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| Puerto Rico | 7 | 7 | 7 | 6 | 6 |
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| Qatar | 7 | 7 | 9 | 8 | 8 |
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| Romania | 5 | 5 | 5 | 6 | 6 |
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| Russian Federation | 8 | 8 | 8 | 8 | 8 |
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| Rwanda | 8 | 2 | 2 | 2 | 2 |
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| Samoa | 8 | 4 | 4 | 4 | 4 |
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| San Marino | |||||||
| Sao Tome and Principe | 10 | 10 | 10 | 4 | 4 |
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| Saudi Arabia | 8 | 9 | 9 | 9 | 9 |
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| Senegal | 4 | 4 | 4 | 3 | 3 |
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| Serbia | 11 | 7 | 7 | 7 | 6 |
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| Seychelles | 10 | 10 | 10 | 10 | 10 |
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| Sierra Leone | 6 | 6 | 6 | 6 | 6 |
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| Singapore | 4 | 3 | 3 | 3 | 3 |
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| Sint Maarten (Dutch part) | |||||||
| Slovak Republic | 6 | 6 | 6 | 6 | 6 |
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| Slovenia | 5 | 3 | 2 | 2 | 2 |
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| Solomon Islands | 7 | 7 | 7 | 7 | 7 |
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| Somalia | |||||||
| South Africa | 6 | 6 | 6 | 5 | 5 |
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| South Sudan | |||||||
| Spain | 10 | 10 | 10 | 10 | 10 |
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| Sri Lanka | 5 | 5 | 5 | 5 | 5 |
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| St. Kitts and Nevis | 7 | 7 | 7 | 7 | 7 |
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| St. Lucia | 6 | 5 | 5 | 5 | 5 |
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| St. Martin (French part) | |||||||
| St. Vincent and the Grenadines | 8 | 7 | 7 | 7 | 7 |
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| Sudan | 10 | 10 | 10 | 10 | 10 |
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| Suriname | 13 | 13 | 13 | 13 | 13 |
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| Swaziland | 12 | 12 | 12 | 12 | 12 |
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| Sweden | 3 | 3 | 3 | 3 | 3 |
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| Switzerland | 6 | 6 | 6 | 6 | 6 |
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| Syrian Arab Republic | 8 | 7 | 7 | 7 | 7 |
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| Tajikistan | 13 | 12 | 8 | 5 | 5 |
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| Tanzania | 10 | 10 | 10 | 10 | 9 |
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| Thailand | 8 | 7 | 7 | 5 | 4 |
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| Timor-Leste | 11 | 11 | 10 | 8 | 8 |
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| Togo | 13 | 7 | 7 | 7 | 6 |
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| Tonga | 4 | 4 | 4 | 4 | 4 |
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| Trinidad and Tobago | 9 | 9 | 8 | 8 | 8 |
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| Tunisia | 10 | 10 | 10 | 10 | 10 |
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| Turkey | 6 | 6 | 6 | 6 | 6 |
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| Turkmenistan | |||||||
| Turks and Caicos Islands | |||||||
| Tuvalu | |||||||
| Uganda | 18 | 18 | 17 | 15 | 15 |
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| Ukraine | 10 | 10 | 10 | 9 | 7 |
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| United Arab Emirates | 9 | 8 | 8 | 7 | 6 |
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| United Kingdom | 6 | 6 | 6 | 6 | 6 |
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| United States | 6 | 6 | 6 | 6 | 6 |
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| Uruguay | 11 | 11 | 11 | 5 | 5 |
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| Uzbekistan | 7 | 7 | 7 | 6 | 6 |
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| Vanuatu | 8 | 8 | 8 | 8 | 8 |
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| Venezuela, RB | 16 | 16 | 17 | 17 | 17 |
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| Vietnam | 11 | 11 | 10 | 10 | 10 |
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| Virgin Islands (U.S.) | |||||||
| West Bank and Gaza | 11 | 11 | 11 | 11 | 11 |
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| Yemen, Rep. | 7 | 6 | 6 | 6 | 6 |
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| Zambia | 6 | 6 | 6 | 6 | 6 |
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| Zimbabwe | 9 | 9 | 9 | 9 | 9 |
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