| Country name | 2008 | 2009 | 2010 | 2011 | ||
|---|---|---|---|---|---|---|
| Afghanistan | 17 | 16 | 16 | 16 |
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| Albania | 6 | 6 | 6 | 6 |
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| Algeria | 5 | 5 | 5 | 5 |
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| American Samoa | ||||||
| Andorra | 3 | 3 | 3 |
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| Angola | 15 | 15 | 14 | 14 |
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| Antigua and Barbuda | ||||||
| Argentina | 8 | 8 | 8 | 8 |
|
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| Armenia | 9 | 9 | 9 | 9 |
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| Aruba | 7 | 7 | 7 | 8 |
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| Australia | 7 | 6 | 6 | 7 |
|
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| Austria | 9 | 9 | 9 | 9 |
|
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| Azerbaijan | 6 | 6 | 6 | 6 |
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| Bahamas, The | 5 | 5 | 5 | 5 |
|
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| Bahrain | 3 | 3 | 3 | 3 |
|
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| Bangladesh | 6 | 6 | 6 | 6 |
|
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| Barbados | 9 | 9 | 9 | 9 |
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| Belarus | 14 | 14 | 15 | 14 |
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| Belgium | 10 | 10 | 10 | 10 |
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| Belize | 4 | 4 | 4 | 4 |
|
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| Benin | 12 | 12 | 12 | 12 |
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| Bermuda | 7 | 8 | 8 | 8 |
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| Bhutan | 7 | 7 | 7 | 7 |
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| Bolivia | 7 | 7 | 7 | 7 |
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| Bosnia and Herzegovina | 10 | 10 | 10 | 10 |
|
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| Botswana | 13 | 13 | 13 | 13 |
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| Brazil | 6 | 6 | 6 | 6 |
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| Brunei Darussalam | 3 | 3 | 3 | 3 |
|
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| Bulgaria | 15 | 14 | 15 | 15 |
|
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| Burkina Faso | 12 | 12 | 12 | 12 |
|
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| Burundi | 15 | 14 | 14 | 14 |
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| Cambodia | 8 | 8 | 8 | 8 |
|
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| Cameroon | 15 | 15 | 14 | 14 |
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| Canada | 7 | 7 | 7 | 7 |
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| Cape Verde | 5 | 5 | 5 | 5 |
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| Cayman Islands | 3 | 3 |
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| Central African Republic | 17 | 17 | 16 | 16 |
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| Chad | 17 | 17 | 16 | 16 |
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| Chile | 5 | 5 | 6 | 6 |
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| China | 7 | 7 | 7 | 7 |
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| Colombia | 5 | 5 | 5 | 5 |
|
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| Comoros | 9 | 9 | 9 | 9 |
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| Congo, Dem. Rep. | 17 | 17 | 16 | 16 |
|
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| Congo, Rep. | 12 | 11 | 11 | 11 |
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| Costa Rica | 4 | 4 | 4 | 4 |
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| Cote d'Ivoire | 13 | 12 | 12 | 12 |
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| Croatia | 12 | 12 | 12 | 12 |
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| Cuba | 7 | 7 | 7 | 7 |
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| Curacao | 9 | 8 | 9 |
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| Cyprus | 7 | 7 | 7 | 7 |
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| Czech Republic | 10 | 10 | 10 | 10 |
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| Denmark | 10 | 10 | 10 | 9 |
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| Djibouti | 10 | 10 | 10 | 10 |
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| Dominica | 9 | |||||
| Dominican Republic | 6 | 6 | 6 | 6 |
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| Ecuador | 5 | 5 | 5 | 5 |
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| Egypt, Arab Rep. | 5 | 5 | 5 | 5 |
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| El Salvador | 6 | 7 | 7 | 7 |
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| Equatorial Guinea | 15 | 15 | 15 | 14 |
|
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| Eritrea | 8 | 8 | 8 | 8 |
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| Estonia | 12 | 12 | 12 | 11 |
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| Ethiopia | 10 | 10 | 10 | 9 |
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| Faeroe Islands | 8 | 8 |
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| Fiji | 7 | 7 | 7 | 7 |
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| Finland | 9 | 9 | 10 | 9 |
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| France | 9 | 9 | 9 | 9 |
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| French Polynesia | 5 | 5 | 5 | 5 |
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| Gabon | 9 | 9 | 9 | 9 |
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| Gambia, The | 10 | 9 | 9 | 9 |
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| Georgia | 11 | 11 | 11 |
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| Germany | 10 | 10 | 11 | 10 |
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| Ghana | 8 | 8 | 8 | 8 |
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| Greece | 10 | 10 | 10 | 10 |
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| Greenland | 8 | 8 | 9 | 8 |
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| Grenada | 6 | 6 | 6 | 6 |
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| Guam | 5 | 6 | 6 | 6 |
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| Guatemala | 6 | 6 | 5 | 5 |
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| Guinea | 14 | 13 | 13 | 13 |
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| Guinea-Bissau | 17 | 17 | 17 | 16 |
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| Guyana | 6 | 6 | 6 | 6 |
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| Haiti | 9 | 9 | 9 | 9 |
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| Honduras | 5 | 5 | 5 | 5 |
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| Hong Kong SAR, China | 6 | 6 | 6 | 6 |
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| Hungary | 13 | 13 | 13 | 13 |
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| Iceland | 6 | 6 | 6 | 6 |
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| India | 8 | 8 | 8 | 8 |
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| Indonesia | 7 | 7 | 7 | 7 |
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| Iran, Islamic Rep. | 5 | 5 | 5 | 5 |
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| Iraq | 6 | 6 | 6 | 6 |
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| Ireland | 6 | 7 | 6 | 6 |
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| Isle of Man | ||||||
| Israel | 5 | 5 | 5 | 5 |
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| Italy | 10 | 10 | 10 | 10 |
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| Jamaica | 6 | 6 | 7 | 7 |
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| Japan | 9 | 9 | 10 | 10 |
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| Jordan | 4 | 4 | 4 | 4 |
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| Kazakhstan | 10 | 8 | 9 | 9 |
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| Kenya | 11 | 11 | 11 | 10 |
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| Kiribati | ||||||
| Korea, Dem. Rep. | 10 | 10 | 10 | 10 |
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| Korea, Rep. | 5 | 5 | 5 | 5 |
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| Kosovo | 7 | 7 | 7 | 7 |
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| Kuwait | 3 | 3 | 3 | 3 |
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| Kyrgyz Republic | 7 | 7 | 7 | 7 |
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| Lao PDR | 7 | 6 | 6 | 6 |
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| Latvia | 14 | 13 | 13 | 14 |
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| Lebanon | 7 | 7 | 7 | 7 |
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| Lesotho | 17 | 16 | 16 | 15 |
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| Liberia | 12 | 11 | 11 | 11 |
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| Libya | 4 | 4 | 4 | 4 |
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| Liechtenstein | 6 | 6 | 7 | 7 |
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| Lithuania | 13 | 13 | 13 | 14 |
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| Luxembourg | 7 | 7 | 7 | 7 |
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| Macao SAR, China | 4 | 4 | 4 | 4 |
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| Macedonia, FYR | 9 | 9 | 9 | 9 |
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| Madagascar | 7 | 7 | 6 | 6 |
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| Malawi | 14 | 13 | 13 | 12 |
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| Malaysia | 5 | 5 | 5 | 5 |
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| Maldives | 4 | 4 | 4 | 4 |
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| Mali | 15 | 15 | 15 | 14 |
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| Malta | 8 | 8 | 7 | 8 |
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| Marshall Islands | ||||||
| Mauritania | 10 | 10 | 10 | 9 |
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| Mauritius | 7 | 7 | 7 | 7 |
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| Mexico | 5 | 5 | 5 | 5 |
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| Micronesia, Fed. Sts. | 6 | 6 | 6 | 6 |
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| Moldova | 13 | 13 | 13 | 13 |
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| Monaco | ||||||
| Mongolia | 6 | 6 | 6 | 6 |
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| Montenegro | 10 | 10 | 10 | 10 |
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| Morocco | 6 | 6 | 6 | 6 |
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| Mozambique | 15 | 15 | 15 | 14 |
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| Myanmar | 9 | 9 | 9 | 8 |
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| Namibia | 9 | 8 | 8 | 8 |
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| Nepal | 6 | 6 | 6 | 6 |
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| Netherlands | 8 | 8 | 8 | 8 |
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| New Caledonia | 5 | 5 | 5 | 5 |
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| New Zealand | 7 | 7 | 7 | 7 |
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| Nicaragua | 5 | 5 | 5 | 5 |
|
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| Niger | 14 | 13 | 13 | 13 |
|
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| Nigeria | 15 | 15 | 14 | 14 |
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| Northern Mariana Islands | ||||||
| Norway | 9 | 9 | 9 | 8 |
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| Oman | 4 | 4 | 4 | 4 |
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| Pakistan | 8 | 8 | 7 | 7 |
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| Palau | ||||||
| Panama | 5 | 5 | 5 | 5 |
|
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| Papua New Guinea | 8 | 8 | 8 | 7 |
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| Paraguay | 5 | 5 | 5 | 5 |
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| Peru | 5 | 5 | 5 | 5 |
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| Philippines | 6 | 6 | 6 | 6 |
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| Poland | 10 | 10 | 10 | 10 |
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| Portugal | 10 | 10 | 10 | 10 |
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| Puerto Rico | 8 | 8 | 8 | 8 |
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| Qatar | 2 | 2 | 2 | 2 |
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| Romania | 12 | 12 | 12 | 12 |
|
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| Russian Federation | 15 | 14 | 14 | 14 |
|
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| Rwanda | 12 | 12 | 12 | 12 |
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| Samoa | 5 | 5 | 5 | 5 |
|
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| San Marino | 6 | 6 | 7 | 7 |
|
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| Sao Tome and Principe | 8 | 8 | 8 | 8 |
|
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| Saudi Arabia | 4 | 4 | 4 | 4 |
|
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| Senegal | 9 | 9 | 9 | 9 |
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| Serbia | 14 | 14 | 14 | 14 |
|
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| Seychelles | 8 | 8 | 7 | 7 |
|
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| Sierra Leone | 17 | 16 | 16 | 15 |
|
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| Singapore | 4 | 4 | 4 | 5 |
|
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| Sint Maarten (Dutch part) | 4 | 3 |
|
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| Slovak Republic | 10 | 10 | 10 | 10 |
|
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| Slovenia | 9 | 9 | 9 | 9 |
|
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| Solomon Islands | 6 | 6 | 6 | 6 |
|
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| Somalia | 15 | 15 | 15 | 15 |
|
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| South Africa | 15 | 15 | 15 | 15 |
|
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| South Sudan | 21 | |||||
| Spain | 9 | 8 | 8 | 8 |
|
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| Sri Lanka | 6 | 7 | 7 | 7 |
|
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| St. Kitts and Nevis | ||||||
| St. Lucia | 6 | 6 | 6 | 6 |
|
|
| St. Martin (French part) | 4 | 4 | 4 | 4 |
|
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| St. Vincent and the Grenadines | 7 | 7 | 7 | 7 |
|
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| Sudan | 9 | 9 | 9 | 9 |
|
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| Suriname | 7 | 7 | 7 | 7 |
|
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| Swaziland | 15 | 15 | 14 | 14 |
|
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| Sweden | 10 | 10 | 10 | 10 |
|
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| Switzerland | 8 | 8 | 8 | 8 |
|
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| Syrian Arab Republic | 4 | 4 | 4 | 4 |
|
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| Tajikistan | 6 | 6 | 6 | 6 |
|
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| Tanzania | 11 | 11 | 10 | 10 |
|
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| Thailand | 7 | 7 | 7 | 7 |
|
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| Timor-Leste | 9 | 8 | 8 | 8 |
|
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| Togo | 11 | 11 | 11 | 11 |
|
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| Tonga | 6 | 6 | 6 | 6 |
|
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| Trinidad and Tobago | 8 | 8 | 8 | 8 |
|
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| Tunisia | 6 | 6 | 6 | 6 |
|
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| Turkey | 5 | 5 | 5 | 5 |
|
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| Turkmenistan | 8 | 8 | 8 | 8 |
|
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| Turks and Caicos Islands | ||||||
| Tuvalu | ||||||
| Uganda | 13 | 13 | 12 | 12 |
|
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| Ukraine | 16 | 15 | 15 | 15 |
|
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| United Arab Emirates | 1 | 1 | 1 | 1 |
|
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| United Kingdom | 9 | 9 | 9 | 9 |
|
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| United States | 8 | 8 | 8 | 8 |
|
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| Uruguay | 9 | 9 | 9 | 9 |
|
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| Uzbekistan | 5 | 5 | 5 | 5 |
|
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| Vanuatu | 5 | 5 | 5 | 5 |
|
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| Venezuela, RB | 5 | 5 | 5 | 5 |
|
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| Vietnam | 5 | 5 | 5 | 5 |
|
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| Virgin Islands (U.S.) | 7 | 7 | 7 | 7 |
|
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| West Bank and Gaza | 4 | 4 | 4 | 4 |
|
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| Yemen, Rep. | 7 | 7 | 6 | 6 |
|
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| Zambia | 17 | 16 | 16 | 15 |
|
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| Zimbabwe | 15 | 14 | 13 | 13 |
|