| Country name | 2008 | 2009 | 2010 | 2011 | ||
|---|---|---|---|---|---|---|
| Afghanistan | 7.7 | 8.0 | 10.4 | 9.6 |
|
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| Albania | 6.0 | 6.3 | 6.0 | 6.3 |
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| Algeria | 3.7 | 4.6 | 4.3 | 3.9 |
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| American Samoa | ||||||
| Andorra | 6.2 | 6.2 | 7.2 | 7.2 |
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| Angola | 3.8 | 5.8 | 3.4 | 3.5 |
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| Antigua and Barbuda | 4.8 | 4.9 | 5.9 | 5.9 |
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| Argentina | 8.3 | 9.4 | 8.3 | 8.1 |
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| Armenia | 3.8 | 4.6 | 4.5 | 4.3 |
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| Aruba | ||||||
| Australia | 8.8 | 9.0 | 9.0 | 9.0 |
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| Austria | 10.5 | 11.1 | 11.0 | 10.6 |
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| Azerbaijan | 4.4 | 5.9 | 5.3 | 5.2 |
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| Bahamas, The | 7.3 | 7.5 | 7.5 | 7.7 |
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| Bahrain | 4.1 | 4.5 | 4.3 | 3.8 |
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| Bangladesh | 3.5 | 3.7 | 3.7 | 3.7 |
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| Barbados | 7.1 | 6.4 | 6.7 | 7.7 |
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| Belarus | 5.9 | 6.1 | 5.6 | 5.3 |
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| Belgium | 10.0 | 10.7 | 10.5 | 10.6 |
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| Belize | 5.2 | 5.7 | 5.8 | 5.7 |
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| Benin | 4.2 | 4.4 | 4.3 | 4.6 |
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| Bermuda | ||||||
| Bhutan | 5.2 | 4.6 | 4.3 | 4.1 |
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| Bolivia | 4.9 | 5.8 | 5.5 | 4.9 |
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| Bosnia and Herzegovina | 8.9 | 10.2 | 10.2 | 10.2 |
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| Botswana | 4.4 | 4.9 | 5.1 | 5.1 |
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| Brazil | 8.3 | 8.8 | 9.0 | 8.9 |
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| Brunei Darussalam | 2.3 | 3.0 | 2.9 | 2.5 |
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| Bulgaria | 7.0 | 7.2 | 7.6 | 7.3 |
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| Burkina Faso | 8.6 | 7.3 | 7.4 | 6.5 |
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| Burundi | 9.4 | 9.1 | 9.1 | 8.7 |
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| Cambodia | 5.4 | 6.3 | 6.0 | 5.7 |
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| Cameroon | 5.1 | 4.9 | 5.1 | 5.2 |
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| Canada | 10.3 | 11.4 | 11.4 | 11.2 |
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| Cape Verde | 4.6 | 5.0 | 4.8 | 4.8 |
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| Cayman Islands | ||||||
| Central African Republic | 4.3 | 3.6 | 3.8 | 3.8 |
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| Chad | 3.6 | 4.4 | 4.0 | 4.3 |
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| Chile | 7.1 | 7.7 | 7.4 | 7.5 |
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| China | 4.6 | 5.1 | 5.0 | 5.2 |
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| Colombia | 6.8 | 7.0 | 6.5 | 6.1 |
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| Comoros | 5.3 | 4.0 | 5.3 | 5.3 |
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| Congo, Dem. Rep. | 7.3 | 9.1 | 7.5 | 8.5 |
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| Congo, Rep. | 2.1 | 2.3 | 2.3 | 2.5 |
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| Costa Rica | 9.3 | 10.3 | 10.3 | 10.9 |
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| Cote d'Ivoire | 5.9 | 6.1 | 6.2 | 6.8 |
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| Croatia | 7.8 | 7.8 | 7.8 | 7.8 |
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| Cuba | 10.8 | 11.7 | 10.2 | 10.0 |
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| Curacao | ||||||
| Cyprus | 6.9 | 7.2 | 7.4 | 7.4 |
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| Czech Republic | 6.8 | 8.0 | 7.5 | 7.4 |
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| Denmark | 10.2 | 11.5 | 11.1 | 11.2 |
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| Djibouti | 7.2 | 7.7 | 7.9 | 7.9 |
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| Dominica | 4.8 | 4.9 | 5.9 | 5.9 |
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| Dominican Republic | 5.3 | 5.4 | 5.5 | 5.4 |
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| Ecuador | 7.2 | 8.2 | 7.9 | 7.3 |
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| Egypt, Arab Rep. | 4.8 | 5.0 | 4.7 | 4.9 |
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| El Salvador | 6.2 | 6.8 | 6.9 | 6.8 |
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| Equatorial Guinea | 2.7 | 5.2 | 4.2 | 4.0 |
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| Eritrea | 3.8 | 3.0 | 2.9 | 2.6 |
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| Estonia | 6.0 | 7.0 | 6.3 | 6.0 |
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| Ethiopia | 4.3 | 4.4 | 4.8 | 4.7 |
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| Faeroe Islands | ||||||
| Fiji | 3.6 | 4.3 | 4.2 | 3.8 |
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| Finland | 8.3 | 9.2 | 9.0 | 8.9 |
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| France | 11.0 | 11.7 | 11.7 | 11.6 |
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| French Polynesia | ||||||
| Gabon | 2.6 | 3.7 | 3.5 | 3.2 |
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| Gambia, The | 4.0 | 4.4 | 4.4 | 4.4 |
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| Georgia | 9.0 | 10.2 | 10.2 | 9.9 |
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| Germany | 10.7 | 11.7 | 11.5 | 11.1 |
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| Ghana | 5.6 | 5.0 | 5.2 | 4.8 |
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| Greece | 10.9 | 11.2 | 10.8 | 10.8 |
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| Greenland | ||||||
| Grenada | 5.9 | 6.2 | 5.8 | 6.2 |
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| Guam | ||||||
| Guatemala | 6.9 | 7.1 | 6.9 | 6.7 |
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| Guinea | 6.1 | 6.4 | 6.2 | 6.0 |
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| Guinea-Bissau | 5.9 | 6.7 | 7.0 | 6.3 |
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| Guyana | 6.7 | 6.4 | 5.6 | 5.9 |
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| Haiti | 5.5 | 6.5 | 6.9 | 7.9 |
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| Honduras | 8.4 | 9.1 | 8.7 | 8.6 |
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| Hong Kong SAR, China | ||||||
| Hungary | 7.5 | 7.7 | 7.8 | 7.7 |
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| Iceland | 9.1 | 9.6 | 9.3 | 9.1 |
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| India | 3.9 | 3.9 | 3.7 | 3.9 |
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| Indonesia | 2.8 | 2.9 | 2.8 | 2.7 |
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| Iran, Islamic Rep. | 5.8 | 5.8 | 5.3 | 6.0 |
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| Iraq | 4.9 | 8.5 | 8.5 | 8.3 |
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| Ireland | 8.8 | 9.4 | 9.2 | 9.4 |
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| Isle of Man | ||||||
| Israel | 7.7 | 7.7 | 7.7 | 7.7 |
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| Italy | 9.0 | 9.5 | 9.5 | 9.5 |
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| Jamaica | 5.3 | 5.0 | 5.2 | 4.9 |
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| Japan | 8.6 | 9.5 | 9.2 | 9.3 |
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| Jordan | 8.8 | 9.5 | 8.3 | 8.4 |
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| Kazakhstan | 3.9 | 4.5 | 4.3 | 3.9 |
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| Kenya | 4.2 | 4.6 | 4.4 | 4.5 |
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| Kiribati | 12.5 | 12.2 | 10.7 | 10.1 |
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| Korea, Dem. Rep. | ||||||
| Korea, Rep. | 6.5 | 6.9 | 7.1 | 7.2 |
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| Kosovo | ||||||
| Kuwait | 1.9 | 3.8 | 2.6 | 2.7 |
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| Kyrgyz Republic | 6.1 | 6.8 | 6.7 | 6.5 |
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| Lao PDR | 4.1 | 3.6 | 2.6 | 2.8 |
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| Latvia | 6.6 | 6.8 | 6.7 | 6.2 |
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| Lebanon | 7.4 | 7.1 | 6.2 | 6.3 |
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| Lesotho | 9.5 | 10.5 | 11.5 | 12.8 |
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| Liberia | 11.8 | 18.1 | 16.4 | 19.5 |
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| Libya | 2.0 | 3.1 | 3.0 | 4.4 |
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| Liechtenstein | ||||||
| Lithuania | 6.6 | 7.5 | 7.0 | 6.6 |
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| Luxembourg | 7.2 | 8.2 | 7.9 | 7.7 |
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| Macao SAR, China | ||||||
| Macedonia, FYR | 6.6 | 6.5 | 6.6 | 6.6 |
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| Madagascar | 3.6 | 3.7 | 3.6 | 4.1 |
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| Malawi | 8.8 | 8.9 | 8.4 | 8.4 |
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| Malaysia | 3.8 | 4.6 | 4.4 | 3.6 |
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| Maldives | 7.8 | 7.9 | 6.2 | 8.5 |
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| Mali | 6.7 | 6.8 | 6.5 | 6.8 |
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| Malta | 8.2 | 8.3 | 8.5 | 8.7 |
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| Marshall Islands | 18.8 | 18.9 | 17.1 | 16.5 |
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| Mauritania | 4.3 | 5.4 | 6.1 | 5.4 |
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| Mauritius | 5.3 | 5.7 | 6.2 | 5.9 |
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| Mexico | 5.8 | 6.4 | 6.3 | 6.2 |
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| Micronesia, Fed. Sts. | 12.8 | 13.3 | 13.6 | 13.4 |
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| Moldova | 11.4 | 12.5 | 11.7 | 11.4 |
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| Monaco | 3.6 | 4.2 | 4.4 | 4.4 |
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| Mongolia | 5.8 | 5.8 | 5.5 | 5.3 |
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| Montenegro | 8.0 | 9.4 | 9.0 | 9.3 |
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| Morocco | 5.4 | 5.6 | 5.9 | 6.0 |
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| Mozambique | 5.5 | 6.2 | 6.3 | 6.6 |
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| Myanmar | 2.0 | 2.1 | 2.0 | 2.0 |
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| Namibia | 6.9 | 7.0 | 5.5 | 5.3 |
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| Nepal | 5.6 | 5.5 | 5.1 | 5.4 |
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| Netherlands | 11.0 | 12.0 | 12.1 | 12.0 |
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| New Caledonia | ||||||
| New Zealand | 9.3 | 10.0 | 10.1 | 10.1 |
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| Nicaragua | 9.3 | 10.1 | 9.9 | 10.1 |
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| Niger | 5.2 | 5.3 | 4.8 | 5.3 |
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| Nigeria | 6.3 | 6.8 | 5.4 | 5.3 |
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| Northern Mariana Islands | ||||||
| Norway | 8.6 | 9.7 | 9.3 | 9.1 |
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| Oman | 2.1 | 3.0 | 2.7 | 2.3 |
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| Pakistan | 3.3 | 2.9 | 2.8 | 2.5 |
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| Palau | 11.1 | 10.8 | 11.5 | 10.6 |
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| Panama | 7.3 | 8.1 | 8.7 | 8.2 |
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| Papua New Guinea | 4.6 | 4.2 | 4.1 | 4.3 |
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| Paraguay | 6.2 | 8.3 | 9.6 | 9.7 |
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| Peru | 5.7 | 5.3 | 4.9 | 4.8 |
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| Philippines | 3.9 | 4.2 | 4.1 | 4.1 |
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| Poland | 6.9 | 7.2 | 7.0 | 6.7 |
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| Portugal | 10.2 | 10.8 | 10.7 | 10.4 |
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| Puerto Rico | ||||||
| Qatar | 1.9 | 2.6 | 2.1 | 1.9 |
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| Romania | 5.4 | 5.6 | 5.9 | 5.8 |
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| Russian Federation | 5.1 | 6.2 | 6.5 | 6.2 |
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| Rwanda | 9.2 | 10.0 | 10.4 | 10.8 |
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| Samoa | 5.6 | 5.4 | 6.3 | 7.0 |
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| San Marino | 7.1 | 7.3 | 7.2 | 7.2 |
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| Sao Tome and Principe | 6.9 | 8.3 | 7.5 | 7.7 |
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| Saudi Arabia | 3.1 | 4.1 | 4.0 | 3.7 |
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| Senegal | 5.8 | 5.7 | 5.8 | 6.0 |
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| Serbia | 10.4 | 10.5 | 10.4 | 10.4 |
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| Seychelles | 3.2 | 3.0 | 3.3 | 3.8 |
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| Sierra Leone | 18.1 | 22.2 | 20.8 | 18.8 |
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| Singapore | 4.5 | 5.1 | 4.5 | 4.6 |
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| Sint Maarten (Dutch part) | ||||||
| Slovak Republic | 8.0 | 9.2 | 9.0 | 8.7 |
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| Slovenia | 8.3 | 9.2 | 9.0 | 9.1 |
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| Solomon Islands | 5.6 | 7.9 | 7.4 | 8.8 |
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| Somalia | ||||||
| South Africa | 8.0 | 8.7 | 8.7 | 8.5 |
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| South Sudan | 2.0 | 2.4 | 2.1 | 1.6 |
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| Spain | 8.9 | 9.6 | 9.6 | 9.4 |
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| Sri Lanka | 3.5 | 3.5 | 3.5 | 3.4 |
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| St. Kitts and Nevis | 3.8 | 3.9 | 4.7 | 4.4 |
|
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| St. Lucia | 7.6 | 8.2 | 7.7 | 7.2 |
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| St. Martin (French part) | ||||||
| St. Vincent and the Grenadines | 4.7 | 5.1 | 4.7 | 4.9 |
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| Sudan | 6.9 | 7.2 | 7.2 | 8.4 |
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| Suriname | 5.8 | 6.0 | 5.7 | 5.3 |
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| Swaziland | 8.0 | 8.7 | 7.8 | 8.0 |
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| Sweden | 9.2 | 9.9 | 9.6 | 9.4 |
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| Switzerland | 10.3 | 11.0 | 10.9 | 10.9 |
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| Syrian Arab Republic | 3.4 | 3.5 | 3.4 | 3.7 |
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| Tajikistan | 5.6 | 5.9 | 6.0 | 5.8 |
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| Tanzania | 5.4 | 5.6 | 7.2 | 7.3 |
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| Thailand | 4.0 | 4.2 | 3.9 | 4.1 |
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| Timor-Leste | 8.6 | 6.9 | 5.7 | 5.1 |
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| Togo | 6.5 | 7.2 | 7.5 | 8.0 |
|
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| Tonga | 6.2 | 4.6 | 5.0 | 5.3 |
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| Trinidad and Tobago | 4.3 | 6.4 | 6.3 | 5.7 |
|
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| Tunisia | 5.6 | 5.8 | 5.7 | 6.2 |
|
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| Turkey | 6.1 | 6.7 | 6.7 | 6.7 |
|
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| Turkmenistan | 1.9 | 2.4 | 2.5 | 2.7 |
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| Turks and Caicos Islands | ||||||
| Tuvalu | 13.8 | 13.3 | 14.5 | 17.3 |
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| Uganda | 8.8 | 9.3 | 9.2 | 9.5 |
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| Ukraine | 6.6 | 7.8 | 7.8 | 7.2 |
|
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| United Arab Emirates | 3.0 | 4.4 | 3.7 | 3.3 |
|
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| United Kingdom | 8.7 | 9.7 | 9.6 | 9.3 |
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| United States | 16.6 | 17.7 | 17.6 | 17.9 |
|
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| Uruguay | 8.0 | 8.4 | 8.1 | 8.0 |
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| Uzbekistan | 5.2 | 5.7 | 5.6 | 5.4 |
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| Vanuatu | 5.1 | 5.1 | 5.2 | 4.1 |
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| Venezuela, RB | 5.6 | 5.8 | 5.3 | 5.2 |
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| Vietnam | 6.6 | 7.0 | 6.8 | 6.8 |
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| Virgin Islands (U.S.) | ||||||
| West Bank and Gaza | ||||||
| Yemen, Rep. | 5.4 | 6.0 | 5.6 | 5.5 |
|
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| Zambia | 6.0 | 6.1 | 6.0 | 6.1 |
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| Zimbabwe |