| Country name | 2008 | 2009 | 2010 | 2011 | ||
|---|---|---|---|---|---|---|
| Afghanistan | 0.1 | 0.1 | 0.1 | 0.1 |
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| Albania | ||||||
| Algeria | ||||||
| American Samoa | ||||||
| Andorra | ||||||
| Angola | 2.0 | 2.1 | 2.1 | 2.1 |
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| Antigua and Barbuda | ||||||
| Argentina | 0.4 | 0.4 | 0.4 | 0.4 |
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| Armenia | 0.2 | 0.2 | 0.2 | 0.2 |
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| Aruba | ||||||
| Australia | 0.2 | 0.2 | 0.2 | 0.2 |
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| Austria | 0.3 | 0.3 | 0.4 | 0.4 |
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| Azerbaijan | 0.1 | 0.1 | 0.1 | 0.1 |
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| Bahamas, The | 3.0 | 2.9 | 2.8 | 2.8 |
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| Bahrain | ||||||
| Bangladesh | 0.1 | 0.1 | 0.1 | 0.1 |
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| Barbados | 0.9 | 0.9 | 0.9 | 0.9 |
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| Belarus | 0.3 | 0.3 | 0.4 | 0.4 |
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| Belgium | 0.3 | 0.3 | 0.3 | 0.3 |
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| Belize | 2.4 | 2.4 | 2.4 | 2.3 |
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| Benin | 1.2 | 1.2 | 1.2 | 1.2 |
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| Bermuda | ||||||
| Bhutan | 0.2 | 0.2 | 0.3 | 0.3 |
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| Bolivia | 0.3 | 0.3 | 0.3 | 0.3 |
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| Bosnia and Herzegovina | ||||||
| Botswana | 24.6 | 24.1 | 23.7 | 23.4 |
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| Brazil | 0.4 | 0.3 | 0.3 | 0.3 |
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| Brunei Darussalam | ||||||
| Bulgaria | 0.1 | 0.1 | 0.1 | 0.1 |
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| Burkina Faso | 1.3 | 1.2 | 1.2 | 1.1 |
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| Burundi | 1.7 | 1.6 | 1.4 | 1.3 |
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| Cambodia | 0.7 | 0.7 | 0.6 | 0.6 |
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| Cameroon | 4.9 | 4.8 | 4.7 | 4.6 |
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| Canada | 0.3 | 0.3 | 0.3 | 0.3 |
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| Cape Verde | 1.0 | 1.0 | 1.0 | 1.0 |
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| Cayman Islands | ||||||
| Central African Republic | 5.4 | 5.1 | 4.9 | 4.6 |
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| Chad | 3.2 | 3.2 | 3.2 | 3.1 |
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| Chile | 0.5 | 0.5 | 0.5 | 0.5 |
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| China | 0.1 | |||||
| Colombia | 0.5 | 0.5 | 0.5 | 0.5 |
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| Comoros | 0.1 | 0.1 | 0.1 | 0.1 |
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| Congo, Dem. Rep. | ||||||
| Congo, Rep. | 3.3 | 3.3 | 3.3 | 3.3 |
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| Costa Rica | 0.3 | 0.3 | 0.3 | 0.3 |
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| Cote d'Ivoire | 3.6 | 3.4 | 3.2 | 3.0 |
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| Croatia | 0.1 | 0.1 | 0.1 | 0.1 |
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| Cuba | 0.1 | 0.1 | 0.2 | 0.2 |
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| Curacao | ||||||
| Cyprus | ||||||
| Czech Republic | 0.1 | 0.1 | 0.1 | 0.1 |
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| Denmark | 0.2 | 0.2 | 0.2 | 0.2 |
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| Djibouti | 1.7 | 1.6 | 1.5 | 1.4 |
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| Dominica | ||||||
| Dominican Republic | 0.8 | 0.8 | 0.7 | 0.7 |
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| Ecuador | 0.4 | 0.4 | 0.4 | 0.4 |
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| Egypt, Arab Rep. | 0.1 | 0.1 | 0.1 | 0.1 |
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| El Salvador | 0.5 | 0.6 | 0.6 | 0.6 |
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| Equatorial Guinea | 3.9 | 4.2 | 4.4 | 4.7 |
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| Eritrea | 0.7 | 0.7 | 0.7 | 0.6 |
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| Estonia | 1.2 | 1.2 | 1.3 | 1.3 |
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| Ethiopia | 1.9 | 1.7 | 1.6 | 1.4 |
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| Faeroe Islands | ||||||
| Fiji | 0.1 | 0.1 | 0.1 | 0.1 |
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| Finland | 0.1 | 0.1 | 0.1 | 0.1 |
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| France | 0.4 | 0.4 | 0.4 | 0.4 |
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| French Polynesia | ||||||
| Gabon | 5.3 | 5.2 | 5.1 | 5.0 |
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| Gambia, The | 1.4 | 1.4 | 1.4 | 1.5 |
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| Georgia | 0.1 | 0.2 | 0.2 | 0.2 |
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| Germany | 0.1 | 0.1 | 0.2 | 0.2 |
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| Ghana | 1.7 | 1.6 | 1.5 | 1.5 |
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| Greece | 0.2 | 0.2 | 0.2 | 0.2 |
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| Greenland | ||||||
| Grenada | ||||||
| Guam | ||||||
| Guatemala | 0.6 | 0.7 | 0.7 | 0.8 |
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| Guinea | 1.5 | 1.4 | 1.4 | 1.4 |
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| Guinea-Bissau | 2.2 | 2.3 | 2.4 | 2.5 |
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| Guyana | 1.3 | 1.2 | 1.1 | 1.1 |
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| Haiti | 2.0 | 1.9 | 1.9 | 1.8 |
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| Honduras | ||||||
| Hong Kong SAR, China | ||||||
| Hungary | 0.1 | 0.1 | 0.1 | 0.1 |
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| Iceland | 0.3 | 0.3 | 0.3 | 0.3 |
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| India | ||||||
| Indonesia | 0.2 | 0.2 | 0.2 | 0.3 |
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| Iran, Islamic Rep. | 0.2 | 0.2 | 0.2 | 0.2 |
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| Iraq | ||||||
| Ireland | 0.3 | 0.3 | 0.3 | 0.3 |
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| Isle of Man | ||||||
| Israel | 0.2 | 0.2 | 0.2 | 0.2 |
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| Italy | 0.4 | 0.4 | 0.4 | 0.4 |
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| Jamaica | 1.9 | 1.8 | 1.8 | 1.8 |
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| Japan | 0.1 | 0.1 | 0.1 | 0.1 |
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| Jordan | ||||||
| Kazakhstan | 0.1 | 0.2 | 0.2 | 0.2 |
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| Kenya | 6.3 | 6.2 | 6.2 | 6.2 |
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| Kiribati | ||||||
| Korea, Dem. Rep. | ||||||
| Korea, Rep. | 0.1 | 0.1 | 0.1 | 0.1 |
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| Kosovo | ||||||
| Kuwait | ||||||
| Kyrgyz Republic | 0.2 | 0.2 | 0.3 | 0.4 |
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| Lao PDR | 0.2 | 0.2 | 0.3 | 0.3 |
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| Latvia | 0.7 | 0.7 | 0.7 | 0.7 |
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| Lebanon | 0.1 | 0.1 | 0.1 | 0.1 |
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| Lesotho | 22.8 | 23.0 | 23.2 | 23.3 |
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| Liberia | 1.4 | 1.3 | 1.1 | 1.0 |
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| Libya | ||||||
| Liechtenstein | ||||||
| Lithuania | 0.1 | 0.1 | 0.1 | 0.1 |
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| Luxembourg | 0.3 | 0.3 | 0.3 | 0.3 |
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| Macao SAR, China | ||||||
| Macedonia, FYR | ||||||
| Madagascar | 0.3 | 0.3 | 0.3 | 0.3 |
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| Malawi | 11.4 | 10.9 | 10.4 | 10.0 |
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| Malaysia | 0.4 | 0.4 | 0.4 | 0.4 |
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| Maldives | 0.1 | 0.1 | 0.1 | 0.1 |
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| Mali | 1.2 | 1.2 | 1.1 | 1.1 |
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| Malta | 0.1 | 0.1 | 0.1 | 0.1 |
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| Marshall Islands | ||||||
| Mauritania | 0.9 | 1.0 | 1.1 | 1.1 |
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| Mauritius | 1.1 | 1.0 | 1.0 | 1.0 |
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| Mexico | 0.3 | 0.3 | 0.3 | 0.3 |
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| Micronesia, Fed. Sts. | ||||||
| Moldova | 0.5 | 0.5 | 0.5 | 0.5 |
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| Monaco | ||||||
| Mongolia | 0.1 | 0.1 | 0.1 | 0.1 |
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| Montenegro | ||||||
| Morocco | 0.1 | 0.1 | 0.2 | 0.2 |
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| Mozambique | 11.3 | 11.3 | 11.3 | 11.3 |
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| Myanmar | 0.7 | 0.7 | 0.7 | 0.6 |
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| Namibia | 13.9 | 13.7 | 13.6 | 13.4 |
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| Nepal | 0.4 | 0.4 | 0.3 | 0.3 |
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| Netherlands | 0.2 | 0.2 | 0.2 | 0.2 |
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| New Caledonia | ||||||
| New Zealand | 0.1 | 0.1 | 0.1 | 0.1 |
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| Nicaragua | 0.2 | 0.2 | 0.2 | 0.2 |
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| Niger | 0.8 | 0.8 | 0.8 | 0.8 |
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| Nigeria | 3.6 | 3.6 | 3.7 | 3.7 |
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| Northern Mariana Islands | ||||||
| Norway | 0.2 | 0.2 | 0.2 | 0.2 |
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| Oman | ||||||
| Pakistan | 0.1 | 0.1 | 0.1 | 0.1 |
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| Palau | ||||||
| Panama | 0.9 | 0.8 | 0.8 | 0.8 |
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| Papua New Guinea | 0.7 | 0.7 | 0.7 | 0.7 |
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| Paraguay | 0.2 | 0.3 | 0.3 | 0.3 |
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| Peru | 0.4 | 0.4 | 0.4 | 0.4 |
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| Philippines | 0.1 | 0.1 | 0.1 | 0.1 |
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| Poland | 0.1 | 0.1 | 0.1 | 0.1 |
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| Portugal | 0.7 | 0.7 | 0.7 | 0.7 |
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| Puerto Rico | ||||||
| Qatar | 0.1 | 0.1 |
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| Romania | 0.1 | 0.1 | 0.1 | 0.1 |
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| Russian Federation | ||||||
| Rwanda | 3.0 | 3.0 | 3.0 | 2.9 |
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| Samoa | ||||||
| San Marino | ||||||
| Sao Tome and Principe | 1.1 | 1.0 | 1.0 | 1.0 |
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| Saudi Arabia | ||||||
| Senegal | 0.7 | 0.7 | 0.7 | 0.7 |
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| Serbia | 0.1 | 0.1 | 0.1 | 0.1 |
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| Seychelles | ||||||
| Sierra Leone | 1.6 | 1.6 | 1.6 | 1.6 |
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| Singapore | 0.1 | 0.1 | 0.1 | 0.1 |
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| Sint Maarten (Dutch part) | ||||||
| Slovak Republic | 0.1 | 0.1 | 0.1 | 0.1 |
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| Slovenia | 0.1 | 0.1 | 0.1 | 0.1 |
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| Solomon Islands | ||||||
| Somalia | 0.7 | 0.7 | 0.7 | 0.7 |
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| South Africa | 17.2 | 17.2 | 17.3 | 17.3 |
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| South Sudan | 3.1 | |||||
| Spain | 0.4 | 0.4 | 0.4 | 0.4 |
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| Sri Lanka | 0.1 | 0.1 | 0.1 | 0.1 |
|
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| St. Kitts and Nevis | ||||||
| St. Lucia | ||||||
| St. Martin (French part) | ||||||
| St. Vincent and the Grenadines | ||||||
| Sudan | 0.4 | 0.4 | 0.4 | 0.4 |
|
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| Suriname | 1.3 | 1.2 | 1.1 | 1.0 |
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| Swaziland | 25.6 | 25.8 | 25.9 | 26.0 |
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| Sweden | 0.2 | 0.2 | 0.2 | 0.2 |
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| Switzerland | 0.4 | 0.4 | 0.4 | 0.4 |
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| Syrian Arab Republic | ||||||
| Tajikistan | 0.2 | 0.2 | 0.3 | 0.3 |
|
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| Tanzania | 5.8 | 5.8 | 5.8 | 5.8 |
|
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| Thailand | 1.3 | 1.3 | 1.2 | 1.2 |
|
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| Timor-Leste | ||||||
| Togo | 3.8 | 3.6 | 3.5 | 3.4 |
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| Tonga | ||||||
| Trinidad and Tobago | 1.5 | 1.5 | 1.5 | 1.5 |
|
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| Tunisia | 0.1 | 0.1 | 0.1 | 0.1 |
|
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| Turkey | 0.1 | 0.1 | 0.1 | 0.1 |
|
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| Turkmenistan | ||||||
| Turks and Caicos Islands | ||||||
| Tuvalu | ||||||
| Uganda | 6.7 | 6.9 | 7.0 | 7.2 |
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| Ukraine | 1.0 | 0.9 | 0.8 | 0.8 |
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| United Arab Emirates | ||||||
| United Kingdom | 0.3 | 0.3 | 0.3 | 0.3 |
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| United States | 0.6 | 0.7 | 0.7 | 0.7 |
|
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| Uruguay | 0.6 | 0.6 | 0.6 | 0.6 |
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| Uzbekistan | ||||||
| Vanuatu | ||||||
| Venezuela, RB | 0.5 | 0.5 | 0.5 | 0.6 |
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| Vietnam | 0.4 | 0.4 | 0.5 | 0.5 |
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| Virgin Islands (U.S.) | ||||||
| West Bank and Gaza | ||||||
| Yemen, Rep. | 0.2 | 0.2 | 0.2 | 0.2 |
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| Zambia | 13.1 | 12.9 | 12.7 | 12.5 |
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| Zimbabwe | 16.3 | 15.7 | 15.2 | 14.9 |
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