| Country name | 2008 | 2009 | 2010 | 2011 | ||
|---|---|---|---|---|---|---|
| Afghanistan | 48.3 | 48.3 | 48.3 | 48.3 |
|
|
| Albania | 49.9 | 49.9 | 49.9 | 49.9 |
|
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| Algeria | 49.5 | 49.5 | 49.5 | 49.5 |
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| American Samoa | ||||||
| Andorra | ||||||
| Angola | 50.5 | 50.5 | 50.5 | 50.5 |
|
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| Antigua and Barbuda | ||||||
| Argentina | 51.1 | 51.1 | 51.1 | 51.1 |
|
|
| Armenia | 53.4 | 53.4 | 53.5 | 53.5 |
|
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| Aruba | 52.6 | 52.6 | 52.6 | 52.6 |
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| Australia | 50.2 | 50.2 | 50.2 | 50.2 |
|
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| Austria | 51.3 | 51.2 | 51.2 | 51.2 |
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| Azerbaijan | 50.7 | 50.6 | 50.5 | 50.5 |
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| Bahamas, The | 51.1 | 51.1 | 51.1 | 51.1 |
|
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| Bahrain | 38.9 | 38.0 | 37.6 | 37.4 |
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| Bangladesh | 49.2 | 49.3 | 49.4 | 49.4 |
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| Barbados | 50.4 | 50.4 | 50.4 | 50.4 |
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| Belarus | 53.4 | 53.5 | 53.5 | 53.5 |
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| Belgium | 51.0 | 51.0 | 51.0 | 51.0 |
|
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| Belize | 50.7 | 50.7 | 50.7 | 50.7 |
|
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| Benin | 50.8 | 50.7 | 50.7 | 50.7 |
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| Bermuda | ||||||
| Bhutan | 47.1 | 47.1 | 47.1 | 47.0 |
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| Bolivia | 50.2 | 50.1 | 50.1 | 50.1 |
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| Bosnia and Herzegovina | 51.9 | 51.9 | 51.9 | 51.9 |
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| Botswana | 49.7 | 49.6 | 49.6 | 49.5 |
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| Brazil | 50.7 | 50.8 | 50.8 | 50.8 |
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| Brunei Darussalam | 49.4 | 49.4 | 49.5 | 49.5 |
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| Bulgaria | 51.6 | 51.6 | 51.7 | 51.7 |
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| Burkina Faso | 50.4 | 50.4 | 50.4 | 50.3 |
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| Burundi | 51.0 | 51.0 | 50.9 | 50.9 |
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| Cambodia | 51.1 | 51.1 | 51.1 | 51.0 |
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| Cameroon | 50.1 | 50.1 | 50.1 | 50.1 |
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| Canada | 50.4 | 50.4 | 50.4 | 50.4 |
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| Cape Verde | 50.7 | 50.6 | 50.5 | 50.4 |
|
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| Cayman Islands | ||||||
| Central African Republic | 50.8 | 50.8 | 50.7 | 50.7 |
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| Chad | 50.3 | 50.3 | 50.3 | 50.3 |
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| Chile | 50.5 | 50.6 | 50.6 | 50.6 |
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| China | 48.1 | 48.1 | 48.1 | 48.1 |
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| Colombia | 50.8 | 50.8 | 50.8 | 50.8 |
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| Comoros | 49.7 | 49.7 | 49.6 | 49.6 |
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| Congo, Dem. Rep. | 50.3 | 50.3 | 50.3 | 50.3 |
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| Congo, Rep. | 50.0 | 50.0 | 49.9 | 49.9 |
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| Costa Rica | 49.2 | 49.2 | 49.2 | 49.2 |
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| Cote d'Ivoire | 48.9 | 49.0 | 49.0 | 49.1 |
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| Croatia | 51.9 | 51.9 | 51.9 | 51.9 |
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| Cuba | 49.7 | 49.7 | 49.7 | 49.7 |
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| Curacao | ||||||
| Cyprus | 49.1 | 49.0 | 49.0 | 48.9 |
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| Czech Republic | 51.1 | 51.0 | 51.0 | 50.9 |
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| Denmark | 50.5 | 50.4 | 50.4 | 50.4 |
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| Djibouti | 50.0 | 50.0 | 50.0 | 50.0 |
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| Dominica | ||||||
| Dominican Republic | 49.8 | 49.8 | 49.8 | 49.8 |
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| Ecuador | 49.9 | 49.9 | 49.9 | 49.9 |
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| Egypt, Arab Rep. | 49.8 | 49.8 | 49.8 | 49.8 |
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| El Salvador | 52.4 | 52.4 | 52.5 | 52.5 |
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| Equatorial Guinea | 48.7 | 48.7 | 48.7 | 48.8 |
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| Eritrea | 50.8 | 50.8 | 50.7 | 50.7 |
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| Estonia | 53.9 | 53.9 | 53.9 | 53.9 |
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| Ethiopia | 50.2 | 50.2 | 50.2 | 50.2 |
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| Faeroe Islands | ||||||
| Fiji | 49.0 | 49.0 | 49.0 | 49.0 |
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| Finland | 51.0 | 51.0 | 50.9 | 50.9 |
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| France | 51.4 | 51.4 | 51.3 | 51.3 |
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| French Polynesia | 48.8 | 48.8 | 48.8 | 48.8 |
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| Gabon | 49.9 | 49.9 | 49.8 | 49.8 |
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| Gambia, The | 50.6 | 50.6 | 50.6 | 50.6 |
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| Georgia | 52.9 | 52.9 | 52.9 | 52.9 |
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| Germany | 51.0 | 51.0 | 51.0 | 51.0 |
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| Ghana | 49.1 | 49.1 | 49.1 | 49.1 |
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| Greece | 50.6 | 50.5 | 50.5 | 50.5 |
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| Greenland | ||||||
| Grenada | 50.1 | 50.1 | 50.0 | 50.0 |
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| Guam | 49.1 | 49.1 | 49.1 | 49.2 |
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| Guatemala | 51.3 | 51.3 | 51.3 | 51.3 |
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| Guinea | 49.5 | 49.5 | 49.5 | 49.5 |
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| Guinea-Bissau | 50.4 | 50.4 | 50.4 | 50.4 |
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| Guyana | 49.7 | 49.7 | 49.8 | 49.8 |
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| Haiti | 50.4 | 50.4 | 50.4 | 50.4 |
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| Honduras | 50.1 | 50.1 | 50.0 | 50.0 |
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| Hong Kong SAR, China | 52.4 | 52.5 | 52.6 | 52.7 |
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| Hungary | 52.5 | 52.5 | 52.5 | 52.5 |
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| Iceland | 49.7 | 49.6 | 49.6 | 49.6 |
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| India | 48.3 | 48.3 | 48.3 | 48.4 |
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| Indonesia | 50.1 | 50.1 | 50.1 | 50.1 |
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| Iran, Islamic Rep. | 49.1 | 49.2 | 49.3 | 49.3 |
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| Iraq | 49.9 | 49.9 | 49.8 | 49.8 |
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| Ireland | 50.0 | 50.0 | 50.0 | 49.9 |
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| Isle of Man | ||||||
| Israel | 50.7 | 50.7 | 50.7 | 50.6 |
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| Italy | 51.2 | 51.2 | 51.1 | 51.0 |
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| Jamaica | 50.8 | 50.8 | 50.8 | 50.8 |
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| Japan | 51.2 | 51.3 | 51.3 | 51.3 |
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| Jordan | 48.5 | 48.5 | 48.6 | 48.6 |
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| Kazakhstan | 52.1 | 52.0 | 52.0 | 52.0 |
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| Kenya | 50.1 | 50.1 | 50.1 | 50.1 |
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| Kiribati | ||||||
| Korea, Dem. Rep. | 51.0 | 50.9 | 50.9 | 50.9 |
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| Korea, Rep. | 50.2 | 50.1 | 50.1 | 50.2 |
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| Kosovo | 48.5 | |||||
| Kuwait | 40.1 | 40.2 | 40.3 | 40.4 |
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| Kyrgyz Republic | 50.6 | 50.6 | 50.7 | 50.7 |
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| Lao PDR | 50.2 | 50.1 | 50.1 | 50.1 |
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| Latvia | 54.0 | 54.0 | 54.0 | 54.0 |
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| Lebanon | 51.2 | 51.2 | 51.2 | 51.2 |
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| Lesotho | 51.1 | 51.0 | 50.9 | 50.8 |
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| Liberia | 49.8 | 49.8 | 49.8 | 49.7 |
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| Libya | 49.0 | 49.1 | 49.3 | 49.6 |
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| Liechtenstein | ||||||
| Lithuania | 53.5 | 53.5 | 53.5 | 53.6 |
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| Luxembourg | 50.4 | 50.3 | 50.3 | 50.2 |
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| Macao SAR, China | 51.9 | 52.0 | 52.0 | 52.0 |
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| Macedonia, FYR | 49.9 | 49.9 | 49.9 | 49.9 |
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| Madagascar | 50.2 | 50.2 | 50.2 | 50.1 |
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| Malawi | 50.0 | 50.0 | 50.0 | 49.9 |
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| Malaysia | 49.2 | 49.2 | 49.3 | 49.3 |
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| Maldives | 49.5 | 49.5 | 49.6 | 49.6 |
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| Mali | 50.1 | 50.1 | 50.0 | 50.0 |
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| Malta | 50.4 | 50.4 | 50.4 | 50.4 |
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| Marshall Islands | ||||||
| Mauritania | 49.8 | 49.8 | 49.7 | 49.7 |
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| Mauritius | 50.6 | 50.6 | 50.6 | 50.6 |
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| Mexico | 50.7 | 50.7 | 50.7 | 50.7 |
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| Micronesia, Fed. Sts. | 49.1 | 49.0 | 49.0 | 49.0 |
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| Moldova | 52.5 | 52.5 | 52.6 | 52.6 |
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| Monaco | ||||||
| Mongolia | 50.6 | 50.6 | 50.6 | 50.6 |
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| Montenegro | 51.0 | 50.9 | 50.9 | 50.9 |
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| Morocco | 50.9 | 50.9 | 51.0 | 51.0 |
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| Mozambique | 51.5 | 51.4 | 51.3 | 51.3 |
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| Myanmar | 50.7 | 50.7 | 50.7 | 50.7 |
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| Namibia | 50.4 | 50.4 | 50.3 | 50.3 |
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| Nepal | 50.4 | 50.4 | 50.4 | 50.4 |
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| Netherlands | 50.4 | 50.4 | 50.4 | 50.4 |
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| New Caledonia | 49.8 | 49.9 | 50.0 | 50.0 |
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| New Zealand | 51.0 | 50.9 | 50.9 | 50.9 |
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| Nicaragua | 50.5 | 50.5 | 50.5 | 50.5 |
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| Niger | 49.7 | 49.7 | 49.7 | 49.7 |
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| Nigeria | 49.4 | 49.4 | 49.4 | 49.4 |
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| Northern Mariana Islands | ||||||
| Norway | 50.1 | 50.0 | 50.0 | 49.9 |
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| Oman | 42.6 | 41.8 | 41.3 | 41.0 |
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| Pakistan | 49.1 | 49.1 | 49.2 | 49.2 |
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| Palau | ||||||
| Panama | 49.6 | 49.6 | 49.6 | 49.6 |
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| Papua New Guinea | 49.0 | 49.0 | 49.0 | 49.0 |
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| Paraguay | 49.5 | 49.5 | 49.5 | 49.6 |
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| Peru | 49.9 | 49.9 | 49.9 | 49.9 |
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| Philippines | 49.8 | 49.8 | 49.8 | 49.9 |
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| Poland | 51.7 | 51.7 | 51.8 | 51.8 |
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| Portugal | 51.6 | 51.6 | 51.6 | 51.5 |
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| Puerto Rico | 51.9 | 51.9 | 51.9 | 51.9 |
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| Qatar | 26.1 | 25.0 | 24.3 | 24.1 |
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| Romania | 51.4 | 51.4 | 51.5 | 51.5 |
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| Russian Federation | 53.7 | 53.7 | 53.7 | 53.7 |
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| Rwanda | 51.0 | 50.9 | 50.9 | 50.9 |
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| Samoa | 48.3 | 48.3 | 48.4 | 48.4 |
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| San Marino | ||||||
| Sao Tome and Principe | 50.5 | 50.5 | 50.5 | 50.5 |
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| Saudi Arabia | 44.2 | 44.4 | 44.6 | 44.8 |
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| Senegal | 50.4 | 50.4 | 50.4 | 50.4 |
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| Serbia | 50.5 | 50.5 | 50.5 | 50.5 |
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| Seychelles | ||||||
| Sierra Leone | 51.2 | 51.2 | 51.2 | 51.1 |
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| Singapore | 49.6 | 49.6 | 49.6 | 49.6 |
|
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| Sint Maarten (Dutch part) | ||||||
| Slovak Republic | 51.4 | 51.4 | 51.4 | 51.4 |
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| Slovenia | 51.1 | 51.1 | 51.1 | 51.1 |
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| Solomon Islands | 48.3 | 48.3 | 48.3 | 48.3 |
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| Somalia | 50.4 | 50.4 | 50.4 | 50.4 |
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| South Africa | 50.6 | 50.5 | 50.5 | 50.5 |
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| South Sudan | ||||||
| Spain | 50.7 | 50.7 | 50.6 | 50.6 |
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| Sri Lanka | 50.6 | 50.6 | 50.6 | 50.7 |
|
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| St. Kitts and Nevis | ||||||
| St. Lucia | 51.3 | 51.3 | 51.3 | 51.3 |
|
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| St. Martin (French part) | ||||||
| St. Vincent and the Grenadines | 49.5 | 49.5 | 49.5 | 49.5 |
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| Sudan | 49.6 | 49.6 | 49.6 | 49.6 |
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| Suriname | 49.9 | 49.9 | 49.9 | 49.9 |
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| Swaziland | 50.9 | 50.9 | 50.8 | 50.8 |
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| Sweden | 50.3 | 50.2 | 50.2 | 50.2 |
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| Switzerland | 50.9 | 50.9 | 50.9 | 50.8 |
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| Syrian Arab Republic | 49.3 | 49.3 | 49.4 | 49.4 |
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| Tajikistan | 50.7 | 50.7 | 50.8 | 50.8 |
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| Tanzania | 50.1 | 50.1 | 50.1 | 50.0 |
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| Thailand | 50.8 | 50.8 | 50.9 | 50.9 |
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| Timor-Leste | 49.0 | 49.0 | 49.0 | 49.0 |
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| Togo | 50.5 | 50.5 | 50.5 | 50.5 |
|
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| Tonga | 50.0 | 49.9 | 49.9 | 49.9 |
|
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| Trinidad and Tobago | 51.5 | 51.5 | 51.5 | 51.6 |
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| Tunisia | 50.0 | 50.0 | 50.0 | 50.0 |
|
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| Turkey | 50.1 | 50.1 | 50.1 | 50.1 |
|
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| Turkmenistan | 50.7 | 50.7 | 50.8 | 50.8 |
|
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| Turks and Caicos Islands | ||||||
| Tuvalu | ||||||
| Uganda | 50.1 | 50.1 | 50.0 | 50.0 |
|
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| Ukraine | 53.9 | 54.0 | 54.0 | 54.0 |
|
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| United Arab Emirates | 30.6 | 30.5 | 30.5 | 30.5 |
|
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| United Kingdom | 50.9 | 50.9 | 50.8 | 50.8 |
|
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| United States | 50.7 | 50.7 | 50.7 | 50.6 |
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| Uruguay | 51.7 | 51.7 | 51.7 | 51.7 |
|
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| Uzbekistan | 50.3 | 50.3 | 50.3 | 50.3 |
|
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| Vanuatu | 49.0 | 49.0 | 49.1 | 49.1 |
|
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| Venezuela, RB | 49.8 | 49.8 | 49.8 | 49.8 |
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| Vietnam | 50.6 | 50.6 | 50.6 | 50.6 |
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| Virgin Islands (U.S.) | 52.6 | 52.6 | 52.6 | 52.7 |
|
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| West Bank and Gaza | 49.3 | 49.2 | 49.2 | 49.2 |
|
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| Yemen, Rep. | 49.7 | 49.7 | 49.7 | 49.7 |
|
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| Zambia | 49.9 | 49.9 | 49.9 | 49.9 |
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| Zimbabwe | 50.7 | 50.7 | 50.7 | 50.7 |
|