| Country name | 2010 | 2011 | 2012 | 2013 | 2014 | ||
|---|---|---|---|---|---|---|---|
| Liberia | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
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| Mauritius | 0.2 | 0.2 | 0.1 | 0.2 | 0.3 |
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| Moldova | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 |
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| Guatemala | 0.4 | 0.4 | 0.4 | 0.5 | 0.4 |
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| Nigeria | 0.5 | 0.6 | 0.5 | 0.5 | 0.4 |
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| Luxembourg | 0.6 | 0.5 | 0.5 | 0.5 |
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| Ireland | 0.6 | 0.5 | 0.5 | 0.5 | 0.5 |
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| Cabo Verde | 0.5 | 0.5 | 0.5 | 0.5 | 0.6 |
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| Ghana | 0.4 | 0.6 | 0.8 | 0.5 | 0.5 |
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| Papua New Guinea | 0.5 | 0.5 | 0.7 | 0.5 |
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| Malta | 0.7 | 0.6 | 0.6 | 0.6 |
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| Dominican Republic | 0.7 | 0.6 | 0.6 | 0.6 | 0.6 |
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| Sierra Leone | 1.0 | 0.9 | 0.7 | 0.6 | 0.8 |
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| Mexico | 0.6 | 0.6 | 0.6 | 0.6 | 0.7 |
|
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| Madagascar | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 |
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| Switzerland | 0.7 | 0.7 | 0.7 | 0.7 |
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| Austria | 0.8 | 0.8 | 0.8 | 0.8 | 0.7 |
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| Nicaragua | 0.5 | 0.5 | 0.7 | 0.8 | 0.7 |
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| Ethiopia | 1.1 | 1.1 | 0.9 | 0.8 | 0.7 |
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| Argentina | 0.7 | 0.7 | 0.7 | 0.8 | 0.8 |
|
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| Trinidad and Tobago | 0.7 | 0.6 | 0.7 | 0.9 |
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| Jamaica | 0.9 | 0.9 | 0.9 | 0.9 |
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| Spain | 1.0 | 0.9 | 1.0 | 0.9 | 0.9 |
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| Hungary | 1.0 | 1.1 | 1.0 | 0.9 | 0.8 |
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| Latvia | 1.1 | 1.0 | 0.9 | 0.9 | 0.9 |
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| Indonesia | 0.6 | 0.7 | 0.8 | 0.9 | 0.8 |
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| Tanzania | 0.9 | 0.9 | 0.9 | 0.9 | 1.0 |
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| Seychelles | 0.7 | 0.8 | 0.9 | 0.9 | 1.1 |
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| Slovak Republic | 1.3 | 1.1 | 1.1 | 1.0 | 1.0 |
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| Japan | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 |
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| Belgium | 1.1 | 1.0 | 1.0 | 1.0 | 1.0 |
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| Czech Republic | 1.2 | 1.1 | 1.0 | 1.0 | 1.0 |
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| Canada | 1.2 | 1.1 | 1.1 | 1.0 | 1.0 |
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| Mozambique | 1.0 | 0.9 | 0.9 | 1.0 | 1.1 |
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| Belize | 1.1 | 1.0 | 1.0 | 1.0 |
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| Benin | 1.0 | 1.0 | 1.1 |
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| Slovenia | 1.6 | 1.3 | 1.2 | 1.1 | 1.0 |
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| Afghanistan | 1.9 | 1.8 | 1.1 | 1.1 | 1.3 |
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| Rwanda | 1.3 | 1.2 | 1.1 | 1.1 | 1.1 |
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| El Salvador | 1.1 | 1.1 | 1.1 | 1.1 | 1.0 |
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| Kazakhstan | 1.0 | 1.0 | 1.1 | 1.1 | 1.1 |
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| Bosnia and Herzegovina | 1.3 | 1.2 | 1.2 | 1.1 | 1.1 |
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| Sweden | 1.2 | 1.1 | 1.1 | 1.1 | 1.2 |
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| South Africa | 1.1 | 1.1 | 1.1 | 1.1 | 1.1 |
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| New Zealand | 1.3 | 1.3 | 1.2 | 1.1 |
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| Gambia, The | 1.2 | 1.2 | 1.8 |
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| Macedonia, FYR | 1.4 | 1.3 | 1.2 | 1.2 | 1.2 |
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| Guyana | 1.4 | 1.3 | 1.2 | 1.2 | 1.2 |
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| Bangladesh | 1.2 | 1.3 | 1.2 | 1.2 | 1.2 |
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| Netherlands | 1.3 | 1.3 | 1.3 | 1.2 | 1.2 |
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| Philippines | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 |
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| Honduras | 1.1 | 1.1 | 1.0 | 1.2 | 1.3 |
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| Uganda | 3.2 | 3.3 | 1.5 | 1.2 | 1.2 |
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| Denmark | 1.4 | 1.3 | 1.4 | 1.3 | 1.3 |
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| Germany | 1.4 | 1.3 | 1.3 | 1.3 | 1.2 |
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| Belarus | 1.4 | 1.3 | 1.2 | 1.3 | 1.3 |
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| Cameroon | 1.5 | 1.3 | 1.3 | 1.3 | 1.2 |
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| Romania | 1.3 | 1.3 | 1.4 | 1.3 | 1.3 |
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| Burkina Faso | 1.4 | 1.3 | 1.3 | 1.3 | 1.3 |
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| Paraguay | 1.1 | 1.2 | 1.4 | 1.4 | 1.5 |
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| Brazil | 1.5 | 1.4 | 1.4 | 1.4 | 1.3 |
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| Albania | 1.6 | 1.5 | 1.5 | 1.4 | 1.0 |
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| Mali | 1.6 | 1.5 | 1.4 | 1.4 | 1.4 |
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| Norway | 1.5 | 1.5 | 1.4 | 1.4 | 1.4 |
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| Finland | 1.4 | 1.4 | 1.4 | 1.4 | 1.3 |
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| Zambia | 1.4 | 1.3 | 1.4 | 1.4 | 1.6 |
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| Congo, Dem. Rep. | 0.9 | 1.0 | 1.5 | 1.4 | 1.4 |
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| Venezuela, RB | 0.9 | 0.8 | 1.3 | 1.4 | 1.1 |
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| Bolivia | 1.7 | 1.5 | 1.5 | 1.5 | 1.4 |
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| Peru | 1.3 | 1.2 | 1.2 | 1.5 | 1.4 |
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| Gabon | 0.9 | 1.4 | 1.5 |
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| Montenegro | 1.8 | 1.8 | 1.7 | 1.5 | 1.7 |
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| Fiji | 1.6 | 1.7 | 1.5 | 1.5 | 1.2 |
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| Thailand | 1.6 | 1.6 | 1.5 | 1.5 | 1.5 |
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| Nepal | 1.6 | 1.5 | 1.4 | 1.5 | 1.5 |
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| Malaysia | 1.6 | 1.7 | 1.5 | 1.5 | 1.5 |
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| Kenya | 1.6 | 1.5 | 1.7 | 1.6 | 1.3 |
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| Italy | 1.7 | 1.7 | 1.6 | 1.6 | 1.4 |
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| Cambodia | 1.6 | 1.6 | 1.5 | 1.6 | 1.7 |
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| Senegal | 1.5 | 1.6 | 1.4 | 1.6 | 1.5 |
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| Tunisia | 1.3 | 1.6 | 1.5 | 1.6 |
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| Bulgaria | 1.8 | 1.5 | 1.5 | 1.7 | 1.5 |
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| Croatia | 1.7 | 1.8 | 1.7 | 1.7 | 1.5 |
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| Australia | 2.0 | 1.8 | 1.7 | 1.7 | 1.8 |
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| Egypt, Arab Rep. | 2.1 | 1.9 | 1.8 | 1.7 | 1.8 |
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| Poland | 1.8 | 1.8 | 1.8 | 1.8 | 1.9 |
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| Cyprus | 1.9 | 1.8 | 1.7 | 1.8 | 1.8 |
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| Malawi | 0.9 | 0.9 | 1.2 | 1.8 | 1.2 |
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| Uruguay | 2.0 | 1.8 | 1.8 | 1.9 | 1.6 |
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| Estonia | 1.7 | 1.7 | 1.9 | 1.9 | 2.0 |
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| Chile | 2.2 | 2.2 | 2.1 | 1.9 | 2.0 |
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| Botswana | 2.7 | 2.4 | 2.3 | 2.0 | 1.9 |
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| China | 2.0 | 2.0 | 2.0 | 2.0 | 2.1 |
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| Serbia | 2.2 | 2.1 | 2.1 | 2.0 | 2.2 |
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| United Kingdom | 2.4 | 2.3 | 2.2 | 2.1 | 2.1 |
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| Portugal | 2.0 | 2.0 | 1.9 | 2.1 | 1.8 |
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| Timor-Leste | 2.8 | 1.8 | 2.6 | 2.2 | 1.9 |
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| Vietnam | 2.3 | 2.0 | 2.2 | 2.2 | 2.3 |
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| France | 2.3 | 2.3 | 2.2 | 2.2 | 2.2 |
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| Lesotho | 3.2 | 2.3 | 2.2 | 2.2 | 2.3 |
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| Turkey | 2.4 | 2.2 | 2.3 | 2.2 | 2.2 |
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| Burundi | 2.4 | 2.2 | 2.0 |
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| Ukraine | 2.7 | 2.3 | 2.4 | 2.4 | 3.1 |
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| India | 2.7 | 2.6 | 2.5 | 2.4 | 2.4 |
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| Swaziland | 2.9 | 2.8 | 2.5 | 2.5 | 2.4 |
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| Greece | 2.7 | 2.5 | 2.4 | 2.5 | 2.2 |
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| Georgia | 3.9 | 3.2 | 3.1 | 2.5 | 2.3 |
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| Brunei Darussalam | 3.2 | 2.5 | 2.4 | 2.6 | 3.1 |
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| Korea, Rep. | 2.5 | 2.6 | 2.6 | 2.6 | 2.6 |
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| Congo, Rep. | 1.8 | 2.6 | 5.0 |
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| Lithuania | 3.0 | 2.7 | 2.6 | 2.6 | 2.7 |
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| Zimbabwe | 1.0 | 1.8 | 2.6 | 2.6 | 2.7 |
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| Sri Lanka | 3.1 | 3.0 | 2.5 | 2.7 | 2.5 |
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| Ecuador | 3.0 | 3.1 | 2.7 | 2.8 | 2.7 |
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| Mauritania | 2.9 | 2.9 | 2.9 |
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| Namibia | 3.5 | 3.6 | 3.2 | 3.1 | 4.1 |
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| Guinea | 3.0 | 3.1 | 3.8 |
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| Singapore | 3.4 | 3.2 | 3.2 | 3.2 | 3.2 |
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| Kyrgyz Republic | 3.8 | 3.4 | 3.2 | 3.2 | 3.4 |
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| Kuwait | 3.8 | 3.5 | 3.4 | 3.3 |
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| Iraq | 2.6 | 3.2 | 2.8 | 3.4 | 4.3 |
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| Colombia | 3.6 | 3.1 | 3.2 | 3.4 | 3.5 |
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| Pakistan | 3.4 | 3.3 | 3.5 | 3.5 | 3.4 |
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| Cuba | 3.3 | 3.3 | 3.9 | 3.5 |
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| Jordan | 5.2 | 4.8 | 4.0 | 3.6 | 3.5 |
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| United States | 4.7 | 4.6 | 4.2 | 3.8 | 3.5 |
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| Morocco | 3.5 | 3.4 | 3.5 | 3.9 | 3.8 |
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| Lebanon | 4.2 | 4.1 | 4.1 | 4.0 | 4.6 |
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| Myanmar | 4.0 | 4.0 | 3.7 |
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| Bahrain | 3.3 | 3.6 | 3.8 | 4.1 | 4.2 |
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| Russian Federation | 3.9 | 3.7 | 4.0 | 4.2 | 4.5 |
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| Armenia | 4.3 | 3.9 | 3.8 | 4.3 | 4.3 |
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| Yemen, Rep. | 4.7 | 5.2 | 5.0 | 4.6 |
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| Azerbaijan | 2.8 | 4.7 | 4.7 | 4.7 | 4.8 |
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| Angola | 4.2 | 3.5 | 3.6 | 4.9 | 5.2 |
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| Algeria | 3.5 | 4.3 | 4.6 | 5.0 | 5.5 |
|
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| Israel | 6.3 | 6.0 | 5.7 | 5.8 | 5.2 |
|
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| United Arab Emirates | 6.1 | 5.5 | 5.1 | 5.9 | 5.7 |
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| South Sudan | 4.1 | 5.9 | 9.5 | 8.3 | 8.3 |
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| Saudi Arabia | 8.6 | 7.2 | 7.7 | 9.0 | 10.8 |
|
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| Oman | 8.3 | 9.8 | 16.2 | 15.0 | 11.8 |
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| Tajikistan | 1.0 | 1.1 | 1.0 | 1.1 |
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| Lao PDR | 0.2 | 0.2 | 0.2 |
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| Eritrea | |||||||
| St. Vincent and the Grenadines | |||||||
| Kiribati | |||||||
| Micronesia, Fed. Sts. | |||||||
| Faeroe Islands | |||||||
| Palau | |||||||
| Northern Mariana Islands | |||||||
| Panama | |||||||
| Togo | 1.8 | 1.6 |
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| Equatorial Guinea | 1.2 | ||||||
| Greenland | |||||||
| Guinea-Bissau | 2.0 | 1.6 | 1.7 |
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| Andorra | |||||||
| Dominica | |||||||
| St. Lucia | |||||||
| Djibouti | |||||||
| Suriname | |||||||
| Curacao | |||||||
| Syrian Arab Republic | |||||||
| Haiti | |||||||
| Libya | 3.6 | 8.0 |
|
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| Puerto Rico | |||||||
| Mongolia | 0.8 | 0.8 | 0.9 |
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| Qatar | 1.5 | ||||||
| Turks and Caicos Islands | |||||||
| Cote d'Ivoire | 1.6 | 1.4 | 1.5 |
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| French Polynesia | |||||||
| Marshall Islands | |||||||
| Uzbekistan | |||||||
| Hong Kong SAR, China | |||||||
| Virgin Islands (U.S.) | |||||||
| Samoa | |||||||
| St. Kitts and Nevis | |||||||
| San Marino | |||||||
| St. Martin (French part) | |||||||
| Sao Tome and Principe | |||||||
| Sudan | |||||||
| Bhutan | |||||||
| Liechtenstein | |||||||
| Iceland | 0.1 | 0.1 | 0.1 |
|
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| Bermuda | |||||||
| Comoros | |||||||
| Taiwan, China | |||||||
| Maldives | |||||||
| Barbados | |||||||
| Chad | 5.8 | 5.0 |
|
||||
| Bahamas, The | |||||||
| Iran, Islamic Rep. | 3.2 | 2.5 | 2.3 |
|
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| Tonga | |||||||
| Sint Maarten (Dutch part) | |||||||
| Aruba | |||||||
| Central African Republic | 2.6 | ||||||
| Turkmenistan | |||||||
| Cayman Islands | |||||||
| Tuvalu | |||||||
| Solomon Islands | |||||||
| Korea, Dem. Rep. | |||||||
| New Caledonia | |||||||
| Antigua and Barbuda | |||||||
| Grenada | |||||||
| Guam | |||||||
| Monaco | |||||||
| Vanuatu | |||||||
| Macao SAR, China | |||||||
| American Samoa | |||||||
| Niger | 1.2 | 1.3 | 1.0 |
|
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| West Bank and Gaza | |||||||
| Somalia | |||||||
| Isle of Man | |||||||
| Costa Rica |