| Country name | 2008 | 2009 | 2010 | 2011 | ||
|---|---|---|---|---|---|---|
| Afghanistan | 14.5 | 14.8 | 15.2 | 15.4 |
|
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| Albania | 41.7 | 41.6 | 41.6 | 41.6 |
|
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| Algeria | 16.3 | 16.8 | 16.9 | 17.1 |
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| American Samoa | ||||||
| Andorra | ||||||
| Angola | 45.3 | 45.6 | 45.9 | 46.0 |
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| Antigua and Barbuda | ||||||
| Argentina | 41.1 | 41.3 | 40.2 | 40.3 |
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| Armenia | 46.4 | 46.4 | 46.5 | 46.5 |
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| Aruba | ||||||
| Australia | 45.3 | 45.4 | 45.3 | 45.3 |
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| Austria | 45.5 | 46.0 | 45.9 | 46.0 |
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| Azerbaijan | 49.3 | 49.2 | 49.1 | 49.0 |
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| Bahamas, The | 48.3 | 48.3 | 48.3 | 48.3 |
|
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| Bahrain | 20.0 | 19.5 | 19.3 | 19.3 |
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| Bangladesh | 39.4 | 39.6 | 39.9 | 40.1 |
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| Barbados | 46.8 | 46.7 | 46.7 | 46.7 |
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| Belarus | 49.0 | 48.9 | 49.0 | 48.8 |
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| Belgium | 44.9 | 45.1 | 45.3 | 45.4 |
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| Belize | 36.9 | 37.1 | 37.5 | 37.7 |
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| Benin | 47.5 | 47.5 | 47.5 | 47.7 |
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| Bermuda | ||||||
| Bhutan | 42.3 | 42.5 | 42.5 | 42.4 |
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| Bolivia | 44.4 | 44.7 | 44.8 | 44.9 |
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| Bosnia and Herzegovina | 38.6 | 39.2 | 40.0 | 40.0 |
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| Botswana | 46.5 | 46.4 | 46.3 | 46.3 |
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| Brazil | 43.2 | 43.4 | 43.7 | 43.8 |
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| Brunei Darussalam | 41.8 | 41.9 | 42.0 | 42.0 |
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| Bulgaria | 46.3 | 46.4 | 46.8 | 46.8 |
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| Burkina Faso | 47.7 | 47.6 | 47.6 | 47.5 |
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| Burundi | 52.3 | 52.1 | 52.1 | 52.0 |
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| Cambodia | 50.1 | 49.9 | 49.9 | 49.7 |
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| Cameroon | 45.5 | 45.6 | 45.7 | 45.7 |
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| Canada | 46.9 | 47.0 | 47.1 | 47.1 |
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| Cape Verde | 38.3 | 38.4 | 38.4 | 38.5 |
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| Cayman Islands | ||||||
| Central African Republic | 46.9 | 47.0 | 47.1 | 47.1 |
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| Chad | 45.3 | 45.3 | 45.3 | 45.2 |
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| Chile | 37.2 | 37.7 | 39.6 | 39.7 |
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| China | 44.7 | 44.6 | 44.6 | 44.5 |
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| Colombia | 41.0 | 42.0 | 42.5 | 42.7 |
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| Comoros | 29.7 | 30.0 | 30.2 | 30.4 |
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| Congo, Dem. Rep. | 50.0 | 49.9 | 49.9 | 49.8 |
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| Congo, Rep. | 48.6 | 48.6 | 48.6 | 48.6 |
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| Costa Rica | 35.4 | 36.0 | 36.2 | 36.5 |
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| Cote d'Ivoire | 36.9 | 37.2 | 37.4 | 37.6 |
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| Croatia | 45.4 | 46.0 | 45.9 | 45.9 |
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| Cuba | 37.8 | 37.9 | 38.0 | 38.2 |
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| Curacao | ||||||
| Cyprus | 42.8 | 43.2 | 43.5 | 43.5 |
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| Czech Republic | 43.5 | 43.4 | 43.3 | 43.4 |
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| Denmark | 46.9 | 47.1 | 47.2 | 47.1 |
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| Djibouti | 34.5 | 34.6 | 34.8 | 35.1 |
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| Dominica | ||||||
| Dominican Republic | 38.9 | 39.1 | 39.4 | 39.5 |
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| Ecuador | 39.0 | 39.3 | 39.7 | 39.9 |
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| Egypt, Arab Rep. | 24.0 | 24.1 | 24.2 | 24.3 |
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| El Salvador | 40.7 | 41.1 | 41.4 | 41.6 |
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| Equatorial Guinea | 44.6 | 44.7 | 44.7 | 44.7 |
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| Eritrea | 48.7 | 48.6 | 48.6 | 48.6 |
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| Estonia | 49.2 | 49.6 | 50.4 | 50.3 |
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| Ethiopia | 47.0 | 47.1 | 47.2 | 47.2 |
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| Faeroe Islands | ||||||
| Fiji | 32.5 | 32.3 | 32.4 | 32.4 |
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| Finland | 47.8 | 48.5 | 47.8 | 47.9 |
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| France | 46.9 | 47.2 | 47.1 | 47.1 |
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| French Polynesia | 40.5 | 40.5 | 40.6 | 40.6 |
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| Gabon | 46.3 | 46.3 | 46.3 | 46.4 |
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| Gambia, The | 47.7 | 47.8 | 47.9 | 48.0 |
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| Georgia | 46.9 | 47.0 | 47.0 | 46.9 |
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| Germany | 45.2 | 45.3 | 45.6 | 45.6 |
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| Ghana | 47.7 | 47.7 | 47.6 | 47.6 |
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| Greece | 40.6 | 41.1 | 41.5 | 41.6 |
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| Greenland | ||||||
| Grenada | ||||||
| Guam | 38.7 | 38.7 | 38.6 | 38.7 |
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| Guatemala | 37.8 | 37.9 | 38.1 | 38.2 |
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| Guinea | 44.8 | 45.1 | 45.2 | 45.3 |
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| Guinea-Bissau | 47.1 | 47.2 | 47.3 | 47.3 |
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| Guyana | 34.0 | 34.3 | 34.7 | 35.0 |
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| Haiti | 46.9 | 46.9 | 47.0 | 47.0 |
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| Honduras | 33.8 | 34.0 | 34.1 | 34.3 |
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| Hong Kong SAR, China | 46.1 | 46.3 | 46.0 | 46.1 |
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| Hungary | 45.3 | 45.5 | 46.0 | 45.9 |
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| Iceland | 46.6 | 46.9 | 47.3 | 47.3 |
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| India | 27.0 | 26.2 | 25.3 | 25.3 |
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| Indonesia | 38.3 | 38.2 | 38.2 | 38.3 |
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| Iran, Islamic Rep. | 17.6 | 17.7 | 17.9 | 18.1 |
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| Iraq | 17.4 | 17.5 | 17.5 | 17.7 |
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| Ireland | 42.9 | 43.5 | 43.7 | 43.8 |
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| Isle of Man | ||||||
| Israel | 46.6 | 47.2 | 47.1 | 47.1 |
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| Italy | 40.3 | 40.2 | 40.3 | 40.3 |
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| Jamaica | 45.1 | 45.0 | 45.1 | 45.1 |
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| Japan | 41.5 | 41.8 | 42.3 | 42.5 |
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| Jordan | 17.2 | 17.8 | 18.0 | 18.2 |
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| Kazakhstan | 49.6 | 49.5 | 49.4 | 49.3 |
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| Kenya | 46.4 | 46.4 | 46.5 | 46.5 |
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| Kiribati | ||||||
| Korea, Dem. Rep. | 47.7 | 47.6 | 47.7 | 47.6 |
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| Korea, Rep. | 41.5 | 41.2 | 41.3 | 41.3 |
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| Kosovo | ||||||
| Kuwait | 23.8 | 23.9 | 23.9 | 24.0 |
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| Kyrgyz Republic | 42.6 | 42.6 | 42.7 | 42.8 |
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| Lao PDR | 50.0 | 49.8 | 49.8 | 49.7 |
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| Latvia | 48.8 | 49.6 | 50.1 | 49.9 |
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| Lebanon | 25.3 | 25.4 | 25.5 | 25.6 |
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| Lesotho | 46.4 | 46.2 | 46.0 | 45.9 |
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| Liberia | 47.8 | 47.8 | 47.7 | 47.5 |
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| Libya | 27.9 | 27.9 | 28.0 | 28.2 |
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| Liechtenstein | ||||||
| Lithuania | 49.4 | 50.1 | 50.3 | 50.2 |
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| Luxembourg | 43.4 | 43.2 | 43.4 | 43.6 |
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| Macao SAR, China | 48.3 | 48.8 | 48.8 | 48.8 |
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| Macedonia, FYR | 38.8 | 38.3 | 38.6 | 38.7 |
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| Madagascar | 48.9 | 48.9 | 48.9 | 48.9 |
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| Malawi | 51.8 | 51.7 | 51.5 | 51.4 |
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| Malaysia | 35.6 | 35.8 | 35.8 | 36.0 |
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| Maldives | 41.5 | 41.7 | 41.8 | 42.0 |
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| Mali | 35.6 | 35.6 | 35.5 | 35.3 |
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| Malta | 34.0 | 34.2 | 34.6 | 34.9 |
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| Marshall Islands | ||||||
| Mauritania | 25.6 | 26.4 | 26.5 | 26.7 |
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| Mauritius | 36.8 | 37.1 | 37.7 | 37.8 |
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| Mexico | 36.0 | 36.0 | 36.5 | 36.7 |
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| Micronesia, Fed. Sts. | ||||||
| Moldova | 49.9 | 49.5 | 49.2 | 49.3 |
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| Monaco | ||||||
| Mongolia | 46.6 | 46.4 | 46.4 | 46.4 |
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| Montenegro | ||||||
| Morocco | 27.1 | 26.6 | 27.1 | 27.4 |
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| Mozambique | 53.8 | 53.7 | 53.6 | 53.3 |
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| Myanmar | 48.8 | 48.8 | 48.9 | 48.9 |
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| Namibia | 46.3 | 46.3 | 46.3 | 46.3 |
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| Nepal | 49.1 | 49.1 | 49.2 | 49.2 |
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| Netherlands | 45.5 | 45.7 | 45.6 | 45.7 |
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| New Caledonia | 40.9 | 40.8 | 40.9 | 41.0 |
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| New Zealand | 46.6 | 46.8 | 46.7 | 46.8 |
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| Nicaragua | 37.4 | 37.7 | 37.9 | 38.1 |
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| Niger | 31.0 | 31.1 | 31.2 | 31.3 |
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| Nigeria | 43.0 | 43.0 | 42.8 | 42.8 |
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| Northern Mariana Islands | ||||||
| Norway | 47.1 | 47.1 | 46.9 | 47.0 |
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| Oman | 18.7 | 18.3 | 17.9 | 17.6 |
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| Pakistan | 20.0 | 20.3 | 20.7 | 21.0 |
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| Palau | ||||||
| Panama | 36.9 | 37.0 | 37.3 | 37.5 |
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| Papua New Guinea | 48.4 | 48.3 | 48.3 | 48.3 |
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| Paraguay | 39.0 | 39.6 | 39.7 | 40.0 |
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| Peru | 43.8 | 44.4 | 44.6 | 44.7 |
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| Philippines | 38.4 | 38.7 | 38.8 | 38.9 |
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| Poland | 44.8 | 44.8 | 45.1 | 45.1 |
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| Portugal | 46.9 | 47.2 | 47.4 | 47.4 |
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| Puerto Rico | 42.1 | 42.6 | 42.3 | 42.3 |
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| Qatar | 13.1 | 12.7 | 12.4 | 12.2 |
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| Romania | 44.7 | 44.7 | 44.7 | 44.8 |
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| Russian Federation | 48.9 | 49.0 | 48.9 | 48.8 |
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| Rwanda | 52.0 | 51.9 | 51.8 | 51.7 |
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| Samoa | 34.1 | 34.2 | 34.3 | 34.4 |
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| San Marino | ||||||
| Sao Tome and Principe | 36.8 | 37.0 | 37.2 | 37.4 |
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| Saudi Arabia | 14.6 | 14.5 | 14.8 | 15.2 |
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| Senegal | 43.7 | 43.8 | 43.9 | 43.9 |
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| Serbia | ||||||
| Seychelles | ||||||
| Sierra Leone | 50.9 | 50.8 | 50.7 | 50.6 |
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| Singapore | 41.8 | 41.7 | 42.3 | 42.4 |
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| Sint Maarten (Dutch part) | ||||||
| Slovak Republic | 44.6 | 44.3 | 44.6 | 44.8 |
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| Slovenia | 46.6 | 46.6 | 46.3 | 46.4 |
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| Solomon Islands | 38.6 | 38.6 | 38.5 | 38.5 |
|
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| Somalia | 33.4 | 33.5 | 33.6 | 33.7 |
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| South Africa | 43.3 | 43.1 | 42.8 | 42.7 |
|
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| South Sudan | ||||||
| Spain | 43.0 | 43.8 | 44.3 | 44.3 |
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| Sri Lanka | 33.3 | 33.4 | 32.2 | 32.3 |
|
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| St. Kitts and Nevis | ||||||
| St. Lucia | 47.2 | 47.2 | 47.2 | 47.3 |
|
|
| St. Martin (French part) | ||||||
| St. Vincent and the Grenadines | 40.7 | 40.9 | 41.0 | 41.1 |
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| Sudan | 28.5 | 28.6 | 28.7 | 28.8 |
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| Suriname | 36.6 | 36.8 | 37.1 | 37.3 |
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| Swaziland | 39.8 | 39.6 | 39.7 | 39.5 |
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| Sweden | 47.3 | 47.3 | 47.0 | 47.1 |
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| Switzerland | 46.2 | 46.3 | 45.8 | 45.9 |
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| Syrian Arab Republic | 16.3 | 14.9 | 15.2 | 15.4 |
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| Tajikistan | 45.2 | 45.2 | 45.2 | 45.2 |
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| Tanzania | 50.0 | 49.9 | 49.8 | 49.8 |
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| Thailand | 46.0 | 45.6 | 45.7 | 45.8 |
|
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| Timor-Leste | 33.2 | 33.2 | 33.3 | 33.4 |
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| Togo | 50.6 | 50.5 | 50.5 | 50.5 |
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| Tonga | 42.7 | 42.7 | 42.7 | 42.7 |
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| Trinidad and Tobago | 43.2 | 43.2 | 43.2 | 43.3 |
|
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| Tunisia | 26.7 | 26.8 | 26.9 | 27.0 |
|
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| Turkey | 26.4 | 27.6 | 28.7 | 28.7 |
|
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| Turkmenistan | 39.5 | 39.4 | 39.3 | 39.2 |
|
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| Turks and Caicos Islands | ||||||
| Tuvalu | ||||||
| Uganda | 49.4 | 49.3 | 49.3 | 49.3 |
|
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| Ukraine | 49.3 | 49.2 | 49.3 | 49.3 |
|
|
| United Arab Emirates | 14.4 | 14.6 | 14.8 | 14.8 |
|
|
| United Kingdom | 45.7 | 45.8 | 45.9 | 46.0 |
|
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| United States | 45.9 | 46.1 | 46.1 | 46.2 |
|
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| Uruguay | 44.2 | 44.5 | 44.5 | 44.5 |
|
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| Uzbekistan | 40.0 | 39.9 | 39.8 | 39.7 |
|
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| Vanuatu | 43.1 | 42.9 | 42.9 | 42.8 |
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| Venezuela, RB | 38.9 | 39.1 | 39.3 | 39.6 |
|
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| Vietnam | 48.6 | 48.6 | 48.5 | 48.5 |
|
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| Virgin Islands (U.S.) | 45.9 | 46.1 | 46.2 | 46.3 |
|
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| West Bank and Gaza | 18.4 | 18.8 | 17.8 | 18.3 |
|
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| Yemen, Rep. | 25.5 | 25.7 | 25.8 | 26.1 |
|
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| Zambia | 46.2 | 46.1 | 46.1 | 46.1 |
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| Zimbabwe | 49.2 | 49.3 | 49.3 | 49.3 |
|