| Country name | 2003 | 2004 | 2005 | 2006 | 2007 | ||
|---|---|---|---|---|---|---|---|
| Afghanistan | |||||||
| Albania | 3.1 | 3.1 | 3.2 | 3.1 | 3.3 |
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| Algeria | |||||||
| American Samoa | |||||||
| Andorra | 2.0 | 1.9 | 2.0 | 2.7 | 2.6 |
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| Angola | 2.8 | 2.9 |
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| Antigua and Barbuda | |||||||
| Argentina | 3.5 | 3.8 | 4.5 | 4.9 |
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| Armenia | 2.1 | 2.5 | 2.7 | 2.7 | 3.0 |
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| Aruba | 4.7 | 4.8 |
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| Australia | 4.9 | 4.8 | 4.7 |
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| Austria | 5.5 | 5.5 | 5.4 | 5.4 | 5.3 |
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| Azerbaijan | 3.3 | 3.4 | 3.0 | 2.6 | 2.5 |
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| Bahamas, The | |||||||
| Bahrain | 3.4 | 3.0 |
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| Bangladesh | 2.4 | 2.2 | 2.5 | 2.6 |
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| Barbados | 7.8 | 7.2 | 6.9 | 6.9 |
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| Belarus | 5.7 | 5.9 | 6.1 | 5.2 |
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| Belgium | 6.0 | 6.0 | 5.9 | 6.0 | 6.0 |
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| Belize | 5.2 | 5.3 |
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| Benin | 3.4 | 3.9 | 4.1 | 3.8 | 3.5 |
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| Bermuda | 1.7 | 1.8 | 2.0 |
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| Bhutan | 7.1 | ||||||
| Bolivia | 6.4 | 6.3 |
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| Bosnia and Herzegovina | |||||||
| Botswana | 9.5 | 8.0 |
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| Brazil | 4.0 | 4.5 | 5.0 | 5.1 |
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| Brunei Darussalam | |||||||
| Bulgaria | 4.1 | 2.4 | 4.2 | 4.0 | 3.9 |
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| Burkina Faso | 4.4 | 4.5 | 4.6 |
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| Burundi | 3.7 | 3.8 | 3.6 |
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| Cambodia | 1.7 | 1.6 |
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| Cameroon | 3.3 | 3.3 | 3.1 | 3.0 | 3.4 |
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| Canada | 4.9 | 4.9 |
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| Cape Verde | 7.5 | 7.5 | 6.5 | 6.1 |
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| Cayman Islands | |||||||
| Central African Republic | 1.5 | 1.6 | 1.6 | 1.4 | 1.3 |
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| Chad | 1.6 | 2.1 |
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| Chile | 3.9 | 3.5 | 3.2 | 3.0 | 3.2 |
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| China | |||||||
| Colombia | 4.3 | 4.1 | 4.0 | 3.9 | 4.1 |
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| Comoros | |||||||
| Congo, Dem. Rep. | |||||||
| Congo, Rep. | 2.8 | 2.3 | 1.8 |
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| Costa Rica | 5.1 | 4.9 | 4.7 | 4.7 |
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| Cote d'Ivoire | 4.4 | 4.4 | 4.3 | 4.2 | 4.4 |
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| Croatia | 3.9 | 3.9 | 4.0 |
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| Cuba | 9.9 | 10.3 | 10.6 | 9.1 | 11.9 |
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| Curacao | |||||||
| Cyprus | 7.3 | 6.7 | 6.9 | 7.0 | 6.9 |
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| Czech Republic | 4.3 | 4.2 | 4.1 | 4.4 | 4.1 |
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| Denmark | 8.3 | 8.4 | 8.3 | 8.0 | 7.8 |
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| Djibouti | 8.9 | 9.3 | 8.4 | 8.3 | 8.4 |
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| Dominica | 3.3 | ||||||
| Dominican Republic | 1.9 | 2.2 |
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| Ecuador | |||||||
| Egypt, Arab Rep. | 4.9 | 4.7 | 4.8 | 4.0 | 3.7 |
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| El Salvador | 2.8 | 2.7 | 3.0 | 3.1 |
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| Equatorial Guinea | 0.6 | ||||||
| Eritrea | 3.5 | 3.1 | 2.1 |
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| Estonia | 5.3 | 4.9 | 4.9 | 4.7 |
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| Ethiopia | 5.5 | 5.5 |
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| Faeroe Islands | |||||||
| Fiji | 6.2 | 5.1 | 5.6 | 5.8 |
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| Finland | 6.4 | 6.4 | 6.3 | 6.2 | 5.9 |
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| France | 5.9 | 5.8 | 5.7 | 5.6 | 5.6 |
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| French Polynesia | |||||||
| Gabon | |||||||
| Gambia, The | 1.6 | 1.4 |
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| Georgia | 2.1 | 2.9 | 2.5 | 3.0 | 2.7 |
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| Germany | 4.4 | 4.5 |
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| Ghana | 7.5 | 7.4 | 5.3 | 5.5 |
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| Greece | 3.6 | 3.9 | 4.1 |
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| Greenland | |||||||
| Grenada | 3.9 | ||||||
| Guam | |||||||
| Guatemala | 3.0 | 3.0 |
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| Guinea | 2.4 | 2.2 | 1.8 |
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| Guinea-Bissau | |||||||
| Guyana | 7.0 | 5.5 | 8.1 | 5.1 | 3.8 |
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| Haiti | |||||||
| Honduras | |||||||
| Hong Kong SAR, China | 4.3 | 4.6 | 4.1 | 3.8 | 3.5 |
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| Hungary | 5.9 | 5.4 | 5.5 | 5.4 | 5.3 |
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| Iceland | 7.5 | 7.5 | 7.6 | 7.5 | 7.4 |
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| India | 3.6 | 3.3 | 3.1 | 3.1 |
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| Indonesia | 3.2 | 2.7 | 2.9 | 3.6 | 3.0 |
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| Iran, Islamic Rep. | 4.8 | 4.9 | 4.7 | 5.1 | 5.5 |
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| Iraq | |||||||
| Ireland | 4.3 | 4.7 | 4.7 | 4.7 | 4.9 |
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| Isle of Man | |||||||
| Israel | 6.8 | 6.4 | 6.1 | 6.1 | 5.9 |
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| Italy | 4.7 | 4.6 | 4.4 | 4.7 | 4.3 |
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| Jamaica | 4.3 | 3.9 | 4.6 | 5.5 |
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| Japan | 3.6 | 3.6 | 3.5 | 3.5 | 3.5 |
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| Jordan | |||||||
| Kazakhstan | 2.3 | 2.3 | 2.6 | 2.8 |
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| Kenya | 6.5 | 6.8 | 7.3 | 7.0 |
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| Kiribati | |||||||
| Korea, Dem. Rep. | |||||||
| Korea, Rep. | 4.4 | 4.4 | 4.1 | 4.2 | 4.2 |
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| Kosovo | |||||||
| Kuwait | 6.5 | 5.5 | 4.7 | 3.8 |
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| Kyrgyz Republic | 4.5 | 4.6 | 4.9 | 5.5 | 6.5 |
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| Lao PDR | 2.4 | 2.4 | 3.0 | 3.1 |
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| Latvia | 5.3 | 5.1 | 5.1 | 5.0 |
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| Lebanon | 2.6 | 2.6 | 2.6 | 2.7 | 2.6 |
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| Lesotho | 16.1 | 13.6 | 14.8 | 13.9 |
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| Liberia | |||||||
| Libya | |||||||
| Liechtenstein | 2.5 | 2.4 | 2.1 | 1.9 |
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| Lithuania | 5.2 | 5.2 | 4.9 | 4.8 | 4.7 |
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| Luxembourg | |||||||
| Macao SAR, China | 2.9 | 2.3 | 2.3 | 2.2 | 2.1 |
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| Macedonia, FYR | |||||||
| Madagascar | 3.0 | 3.3 | 3.8 | 3.3 | 3.4 |
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| Malawi | 4.2 | ||||||
| Malaysia | 7.5 | 5.9 | 4.5 | 4.4 |
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| Maldives | 5.9 | 5.3 | 5.9 | 5.6 | 5.4 |
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| Mali | 4.1 | 4.3 | 4.1 |
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| Malta | 4.8 | 6.3 |
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| Marshall Islands | 12.2 | 12.2 |
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| Mauritania | 3.1 | 2.5 | 2.5 |
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| Mauritius | 4.5 | 4.5 | 4.2 | 3.8 | 3.4 |
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| Mexico | 5.3 | 4.9 | 5.0 | 4.8 | 4.8 |
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| Micronesia, Fed. Sts. | |||||||
| Moldova | 5.4 | 6.8 | 7.2 | 7.5 | 8.3 |
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| Monaco | 1.2 | ||||||
| Mongolia | 4.3 | 4.7 |
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| Montenegro | |||||||
| Morocco | 5.6 | 5.6 | 5.5 |
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| Mozambique | 4.5 | 5.2 | 5.0 |
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| Myanmar | |||||||
| Namibia | 6.1 | 6.0 |
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| Nepal | 3.1 | 3.2 | 3.4 | 3.6 | 3.5 |
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| Netherlands | 5.4 | 5.5 | 5.5 | 5.5 | 5.3 |
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| New Caledonia | |||||||
| New Zealand | 6.6 | 6.6 | 6.4 | 6.0 | 6.0 |
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| Nicaragua | 2.4 | ||||||
| Niger | 2.4 | 3.3 | 4.0 |
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| Nigeria | |||||||
| Northern Mariana Islands | |||||||
| Norway | 7.5 | 7.4 | 7.0 | 6.5 | 6.7 |
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| Oman | 3.9 | 4.0 | 3.5 | 3.9 |
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| Pakistan | 1.9 | 1.9 | 2.3 | 2.6 | 2.8 |
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| Palau | |||||||
| Panama | 4.4 | 3.8 |
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| Papua New Guinea | |||||||
| Paraguay | 4.7 | 4.0 | 4.0 |
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| Peru | 2.8 | 2.8 | 2.7 | 2.5 | 2.5 |
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| Philippines | 3.0 | 2.6 | 2.4 | 2.5 | 2.6 |
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| Poland | 5.3 | 5.4 | 5.5 | 5.3 | 4.9 |
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| Portugal | 5.4 | 5.1 | 5.2 | 5.1 | 5.1 |
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| Puerto Rico | |||||||
| Qatar | 2.1 | ||||||
| Romania | 3.4 | 3.3 | 3.5 | 4.3 |
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| Russian Federation | 3.7 | 3.5 | 3.8 | 3.9 |
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| Rwanda | 4.3 | ||||||
| Samoa | |||||||
| San Marino | |||||||
| Sao Tome and Principe | |||||||
| Saudi Arabia | 7.1 | 6.5 | 5.7 | 6.2 | 6.4 |
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| Senegal | 3.5 | 3.9 | 5.1 | 4.8 |
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| Serbia | 4.7 | ||||||
| Seychelles | 5.4 | 5.4 | 4.8 |
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| Sierra Leone | 4.6 | 4.1 | 3.7 | 3.3 |
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| Singapore | |||||||
| Sint Maarten (Dutch part) | |||||||
| Slovak Republic | 4.3 | 4.2 | 3.8 | 3.8 | 3.6 |
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| Slovenia | 5.8 | 5.7 | 5.7 | 5.7 | 5.2 |
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| Solomon Islands | 5.9 | ||||||
| Somalia | |||||||
| South Africa | 5.1 | 5.3 | 5.3 | 5.3 | 5.2 |
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| South Sudan | |||||||
| Spain | 4.3 | 4.2 | 4.2 | 4.3 | 4.3 |
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| Sri Lanka | |||||||
| St. Kitts and Nevis | 3.9 | 4.0 | 3.9 | 4.2 | 4.2 |
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| St. Lucia | 4.5 | 4.3 | 5.3 | 5.9 |
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| St. Martin (French part) | |||||||
| St. Vincent and the Grenadines | 8.6 | 8.5 | 6.3 | 5.7 |
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| Sudan | |||||||
| Suriname | |||||||
| Swaziland | 6.8 | 6.4 | 7.4 | 8.1 |
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| Sweden | 7.2 | 7.1 | 6.9 | 6.7 | 6.6 |
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| Switzerland | 5.8 | 5.7 | 5.5 | 5.3 | 5.0 |
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| Syrian Arab Republic | 6.5 | 5.4 | 5.3 | 4.9 |
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| Tajikistan | 2.4 | 2.8 | 3.5 | 3.4 | 3.4 |
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| Tanzania | |||||||
| Thailand | 4.0 | 4.2 | 4.2 | 4.3 | 3.8 |
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| Timor-Leste | |||||||
| Togo | 4.2 | 3.6 | 3.4 | 3.7 | 3.7 |
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| Tonga | 4.2 | 3.9 |
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| Trinidad and Tobago | |||||||
| Tunisia | 6.8 | 6.7 | 6.5 | 6.4 | 6.5 |
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| Turkey | 3.0 | 3.1 | 2.9 |
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| Turkmenistan | |||||||
| Turks and Caicos Islands | |||||||
| Tuvalu | |||||||
| Uganda | 5.0 | ||||||
| Ukraine | 5.6 | 5.3 | 6.1 | 6.2 | 5.3 |
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| United Arab Emirates | 1.3 | 1.1 |
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| United Kingdom | 5.4 | 5.2 | 5.4 | 5.5 | 5.4 |
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| United States | 5.8 | 5.5 | 5.3 | 5.6 | 5.5 |
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| Uruguay | 2.1 | 2.5 | 2.7 | 2.9 |
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| Uzbekistan | |||||||
| Vanuatu | 8.5 | ||||||
| Venezuela, RB | 3.7 | 3.6 |
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| Vietnam | |||||||
| Virgin Islands (U.S.) | |||||||
| West Bank and Gaza | |||||||
| Yemen, Rep. | |||||||
| Zambia | 2.8 | 2.0 | 1.5 |
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| Zimbabwe |