| Country name | 2007 | 2008 | 2009 | 2010 | ||
|---|---|---|---|---|---|---|
| Afghanistan | ||||||
| Albania | 10.0 | 11.1 | 13.8 |
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| Algeria | 6.7 | 6.8 | 6.5 |
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| American Samoa | ||||||
| Andorra | ||||||
| Angola | 8.2 | 8.7 | 8.4 |
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| Antigua and Barbuda | 13.4 | |||||
| Argentina | 6.7 | 6.9 | 7.2 |
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| Armenia | 5.7 | 5.8 | 5.7 |
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| Aruba | ||||||
| Australia | 5.7 | 5.7 | 5.7 | 6.1 |
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| Austria | 8.9 | 9.0 | 9.2 | 9.0 |
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| Azerbaijan | 5.2 | 5.3 | 6.4 |
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| Bahamas, The | 14.6 | |||||
| Bahrain | 2.7 | 2.7 |
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| Bangladesh | 7.0 | 7.1 | 7.0 |
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| Barbados | 12.6 | |||||
| Belarus | 3.6 | 3.9 | 4.1 |
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| Belgium | 6.2 | 6.1 | 6.1 | 6.3 |
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| Belize | 10.9 | |||||
| Benin | 3.5 | 3.6 | 3.5 |
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| Bermuda | ||||||
| Bhutan | 11.8 | |||||
| Bolivia | 7.0 | 6.7 | 6.7 |
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| Bosnia and Herzegovina | 4.8 | 4.7 | 4.6 |
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| Botswana | 11.7 | 11.3 | 11.4 |
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| Brazil | 7.4 | 7.4 | 7.6 |
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| Brunei Darussalam | 5.5 | 5.0 | 5.7 |
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| Bulgaria | 4.3 | 4.6 | 4.9 |
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| Burkina Faso | ||||||
| Burundi | ||||||
| Cambodia | 4.8 | 5.1 | 5.1 |
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| Cameroon | 5.9 | 6.0 | 5.6 |
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| Canada | 4.4 | 4.5 | 4.6 | 4.7 |
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| Cape Verde | 14.4 | |||||
| Cayman Islands | ||||||
| Central African Republic | ||||||
| Chad | ||||||
| Chile | 7.6 | 7.7 | 7.7 | 7.4 |
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| China | 3.5 | 3.6 | 3.7 |
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| Colombia | 12.2 | 12.1 | 11.9 |
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| Comoros | 16.8 | |||||
| Congo, Dem. Rep. | 0.8 | 0.8 | 0.8 |
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| Congo, Rep. | 10.0 | 10.1 | 10.1 |
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| Costa Rica | 9.2 | 9.6 | 9.5 |
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| Cote d'Ivoire | 3.0 | 3.1 | 3.2 |
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| Croatia | 8.0 | 8.4 | 8.3 |
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| Cuba | ||||||
| Curacao | ||||||
| Cyprus | 8.3 | 8.1 | 8.2 |
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| Czech Republic | 5.2 | 5.4 | 5.5 | 5.6 |
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| Denmark | 9.6 | 9.8 | 9.5 | 9.1 |
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| Djibouti | 11.5 | |||||
| Dominica | 16.4 | |||||
| Dominican Republic | 8.5 | 9.2 | 9.5 |
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| Ecuador | 8.2 | 9.1 | 8.9 |
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| Egypt, Arab Rep. | 5.7 | 5.8 | 5.9 |
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| El Salvador | 7.4 | 7.4 | 7.2 |
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| Equatorial Guinea | 10.5 | |||||
| Eritrea | 3.7 | 3.6 | 3.5 |
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| Estonia | 4.7 | 4.6 | 4.5 | 4.1 |
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| Ethiopia | 1.9 | 2.0 | 2.2 |
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| Faeroe Islands | ||||||
| Fiji | 6.9 | |||||
| Finland | 4.8 | 5.0 | 4.9 | 4.7 |
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| France | 7.4 | 7.3 | 7.4 | 7.3 |
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| French Polynesia | ||||||
| Gabon | 9.6 | 9.8 | 10.7 |
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| Gambia, The | 14.0 | |||||
| Georgia | 5.8 | 6.6 | 6.0 |
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| Germany | 8.3 | 8.3 | 8.3 | 8.2 |
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| Ghana | 3.1 | 3.4 | 3.6 |
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| Greece | 9.7 | 9.6 | 9.6 | 10.1 |
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| Greenland | ||||||
| Grenada | 13.2 | |||||
| Guam | ||||||
| Guatemala | 6.7 | 7.3 | 6.1 |
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| Guinea | ||||||
| Guinea-Bissau | 15.4 | |||||
| Guyana | 4.3 | |||||
| Haiti | 3.6 | 3.7 | 4.0 |
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| Honduras | 5.5 | 5.8 | 5.9 |
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| Hong Kong SAR, China | 19.3 | 20.0 | 18.4 |
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| Hungary | 6.7 | 6.8 | 6.7 | 6.7 |
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| Iceland | 2.3 | 2.2 | 2.1 | 1.9 |
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| India | 5.1 | 5.1 | 5.1 |
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| Indonesia | 4.2 | 4.4 | 4.3 |
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| Iran, Islamic Rep. | 3.8 | 3.6 | 3.5 |
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| Iraq | 2.7 | 2.8 | 3.2 |
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| Ireland | 11.9 | 11.7 | 11.3 | 10.8 |
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| Isle of Man | ||||||
| Israel | 8.4 | 8.4 | 8.8 | 9.1 |
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| Italy | 9.6 | 9.7 | 9.8 | 9.6 |
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| Jamaica | 4.1 | 4.5 | 5.7 |
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| Japan | 7.9 | 8.1 | 7.9 | 7.9 |
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| Jordan | 3.8 | 4.2 | 4.1 |
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| Kazakhstan | 2.4 | 2.4 | 2.5 |
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| Kenya | 3.1 | 3.1 | 3.0 |
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| Kiribati | 20.0 | |||||
| Korea, Dem. Rep. | ||||||
| Korea, Rep. | 5.5 | 5.5 | 5.4 | 5.4 |
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| Kosovo | ||||||
| Kuwait | 4.6 | |||||
| Kyrgyz Republic | 3.4 | 3.9 | 3.7 |
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| Lao PDR | ||||||
| Latvia | 7.9 | 7.9 | 6.9 |
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| Lebanon | 10.0 | 8.5 | 7.5 |
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| Lesotho | 143.4 | |||||
| Liberia | ||||||
| Libya | 5.1 | 4.9 | 4.7 |
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| Liechtenstein | ||||||
| Lithuania | 6.2 | 6.4 | 6.0 |
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| Luxembourg | 8.5 | 8.6 | 8.6 | 8.3 |
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| Macao SAR, China | ||||||
| Macedonia, FYR | 5.9 | 6.2 | 6.7 |
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| Madagascar | ||||||
| Malawi | ||||||
| Malaysia | 4.9 | 4.9 | 5.2 |
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| Maldives | 7.0 | |||||
| Mali | ||||||
| Malta | 10.4 | 11.6 | 11.5 |
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| Marshall Islands | ||||||
| Mauritania | ||||||
| Mauritius | 11.6 | |||||
| Mayotte | ||||||
| Mexico | 8.0 | 7.9 | 7.7 | 8.3 |
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| Micronesia, Fed. Sts. | ||||||
| Moldova | 2.7 | 3.1 | 3.8 |
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| Monaco | ||||||
| Mongolia | 2.9 | 3.1 | 2.9 |
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| Montenegro | 7.1 | |||||
| Morocco | 8.3 | 8.4 | 8.8 |
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| Mozambique | 1.8 | 1.8 | 1.9 |
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| Myanmar | 4.0 | 4.4 | 5.0 |
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| Namibia | 7.6 | 6.9 | 7.4 |
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| Nepal | 3.0 | 3.1 | 3.1 |
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| Netherlands | 7.8 | 7.9 | 7.7 | 7.4 |
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| New Caledonia | ||||||
| New Zealand | 6.4 | 6.2 | 6.1 |
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| Nicaragua | 4.6 | 4.8 | 4.6 |
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| Niger | ||||||
| Nigeria | 2.6 | 2.6 | 2.9 |
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| Northern Mariana Islands | ||||||
| Norway | 8.4 | 7.8 | 8.1 | 7.4 |
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| Oman | 3.9 | 4.0 | 4.4 |
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| Pakistan | 4.5 | 4.7 | 4.7 |
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| Palau | ||||||
| Panama | 13.4 | 14.3 | 13.2 |
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| Papua New Guinea | ||||||
| Paraguay | 5.9 | 6.0 | 5.5 |
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| Peru | 14.4 | 15.1 | 14.4 |
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| Philippines | 7.7 | 7.7 | 7.9 |
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| Poland | 6.2 | 6.4 | 6.8 | 6.5 |
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| Portugal | 9.3 | 9.6 | 9.4 | 9.8 |
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| Puerto Rico | ||||||
| Qatar | 3.8 | 4.7 | 4.9 |
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| Romania | 5.9 | 6.4 | 6.7 |
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| Russian Federation | 3.0 | 3.0 | 3.0 |
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| Rwanda | ||||||
| Samoa | 12.9 | |||||
| San Marino | ||||||
| Sao Tome and Principe | 5.6 | |||||
| Saudi Arabia | 3.6 | 3.5 | 3.4 |
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| Senegal | 6.9 | 7.1 | 7.1 |
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| Serbia | 4.2 | 4.3 | 4.8 |
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| Seychelles | 8.3 | |||||
| Sierra Leone | ||||||
| Singapore | 14.6 | 13.9 | 12.5 |
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| Sint Maarten (Dutch part) | ||||||
| Slovak Republic | 5.8 | 6.0 | 6.3 | 6.3 |
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| Slovenia | 7.3 | 7.1 | 7.3 | 7.2 |
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| Solomon Islands | 18.0 | |||||
| Somalia | ||||||
| South Africa | 3.3 | 3.1 | 3.2 |
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| South Sudan | ||||||
| Spain | 8.9 | 9.3 | 9.8 | 9.7 |
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| Sri Lanka | 8.7 | 9.5 | 9.5 |
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| St. Kitts and Nevis | 10.0 | |||||
| St. Lucia | 12.3 | |||||
| St. Martin (French part) | ||||||
| St. Vincent and the Grenadines | 15.6 | |||||
| Sudan | 5.0 | 5.5 | 5.3 |
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| Suriname | 4.7 | |||||
| Swaziland | 12.6 | |||||
| Sweden | 6.4 | 6.4 | 6.6 | 6.2 |
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| Switzerland | 11.1 | 10.9 | 10.6 | 11.2 |
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| Syrian Arab Republic | 3.4 | 3.5 | 4.2 |
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| Tajikistan | 4.2 | 4.8 | 5.5 |
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| Tanzania | 2.5 | 2.6 | 2.7 |
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| Thailand | 4.8 | 4.7 | 4.8 |
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| Timor-Leste | 11.8 | |||||
| Togo | 2.0 | 2.0 | 2.0 |
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| Tonga | 7.1 | |||||
| Trinidad and Tobago | 1.6 | 1.7 | 1.5 |
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| Tunisia | 9.2 | 9.2 | 9.5 |
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| Turkey | 8.7 | 8.9 | 8.6 | 8.7 |
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| Turkmenistan | 1.3 | 1.4 | 1.7 |
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| Turks and Caicos Islands | ||||||
| Tuvalu | ||||||
| Uganda | ||||||
| Ukraine | 2.2 | 2.3 | 2.3 |
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| United Arab Emirates | 6.0 | 5.5 | 5.3 |
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| United Kingdom | 10.0 | 9.9 | 10.1 | 9.9 |
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| United States | 5.6 | 5.8 | 5.9 | 5.9 |
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| Uruguay | 11.2 | 9.2 | 9.6 |
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| Uzbekistan | 1.3 | 1.3 | 1.5 |
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| Vanuatu | 24.1 | |||||
| Venezuela, RB | 4.9 | 5.0 | 4.8 |
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| Vietnam | 3.7 | 3.8 | 3.7 |
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| Virgin Islands (U.S.) | ||||||
| West Bank and Gaza | ||||||
| Yemen, Rep. | 6.9 | 7.0 | 7.0 |
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| Zambia | 2.0 | 2.1 | 2.1 |
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| Zimbabwe |