Country name 2009 2010 2011 2012
United States 17.7 17.7 17.7 17.9
Marshall Islands 17.5 16.0 16.0 15.6
Sierra Leone 16.9 15.4 16.3 15.1
Liberia 14.4 13.1 15.6 15.5
Micronesia, Fed. Sts. 13.4 13.8 13.7 12.8
Tuvalu 12.8 13.6 17.6 15.4
Moldova 12.5 11.7 11.4 11.7
Netherlands 11.9 12.1 11.9 12.4
Germany 11.8 11.5 11.3 11.3
Cuba 11.7 10.6 10.6 8.6
France 11.7 11.7 11.6 11.7
Denmark 11.5 11.1 10.9 11.2
Kiribati 11.5 11.2 10.8 10.7
Canada 11.4 11.4 10.9 10.9
Austria 11.2 11.6 11.3 11.5
Switzerland 11.0 10.9 11.0 11.3
Portugal 10.8 10.8 10.2 9.4
Belgium 10.6 10.5 10.5 10.8
Serbia 10.5 10.7 10.3 10.5
Georgia 10.2 10.1 9.4 9.2
Norway 10.1 10.0 9.9 9.0
New Zealand 10.0 10.2 10.3 10.3
Greece 10.0 9.4 9.0 9.3
Ireland 10.0 9.3 8.8 8.1
Rwanda 10.0 10.8 11.0 10.7
Sweden 9.9 9.5 9.5 9.6
United Kingdom 9.9 9.6 9.4 9.4
Bosnia and Herzegovina 9.9 9.8 9.9 9.9
Lesotho 9.8 10.8 11.7 11.6
Iceland 9.7 9.4 9.2 9.1
Costa Rica 9.7 9.7 10.2 10.1
Spain 9.6 9.6 9.3 9.6
Jordan 9.5 8.5 8.8 9.8
Japan 9.5 9.6 10.0 10.1
Argentina 9.4 8.2 7.9 8.5
Italy 9.4 9.4 9.2 9.2
Uganda 9.3 9.2 9.3 8.0
Slovenia 9.2 8.9 8.9 8.8
Finland 9.2 9.0 9.0 9.1
Slovak Republic 9.2 9.0 7.9 7.8
Congo, Dem. Rep. 9.1 7.0 6.1 5.6
Honduras 9.1 8.7 8.4 8.6
Australia 9.0 8.9 9.2 9.1
Uruguay 8.9 8.7 8.8 8.9
Brazil 8.8 9.0 8.9 9.3
Afghanistan 8.7 8.7 8.4 8.6
South Africa 8.7 8.7 8.7 8.8
Swaziland 8.4 8.4 8.3 8.5
Palau 8.4 9.7 9.0 9.5
Malta 8.3 8.5 8.7 9.1
Malawi 8.3 8.5 8.3 9.2
Djibouti 8.3 8.8 8.7 8.8
Panama 8.1 8.5 7.9 7.6
St. Lucia 8.1 7.8 7.6 8.5
Luxembourg 8.0 7.2 6.7 6.9
Barbados 8.0 6.7 7.2 6.3
Czech Republic 8.0 7.4 7.5 7.7
Namibia 7.9 8.2 8.6 8.3
Solomon Islands 7.8 7.4 7.7 8.0
Ukraine 7.8 7.8 7.3 7.6
Croatia 7.8 7.8 6.8 6.8
Hungary 7.7 8.0 7.9 7.8
Nicaragua 7.7 7.6 7.6 8.2
Niger 7.7 6.9 6.8 7.2
Maldives 7.6 5.8 8.1 8.5
Israel 7.6 7.6 7.6 7.5
Lithuania 7.5 7.0 6.7 6.7
Sao Tome and Principe 7.5 7.1 7.6 7.9
Paraguay 7.5 8.7 8.9 10.3
Chile 7.5 7.1 7.1 7.2
Bahamas, The 7.4 7.4 7.5 7.5
Lebanon 7.4 7.2 7.4 7.6
Sudan 7.4 6.5 6.7 7.2
Cyprus 7.4 7.4 7.4 7.3
Burkina Faso 7.3 7.4 6.4 6.2
Bulgaria 7.2 7.6 7.3 7.4
Iran, Islamic Rep. 7.2 7.3 6.8 6.7
Poland 7.2 7.0 6.8 6.7
Togo 7.2 7.5 8.0 8.6
Ecuador 7.1 7.2 6.9 6.4
Korea, Rep. 7.1 7.3 7.4 7.5
Guatemala 7.1 6.9 6.7 6.7
Colombia 7.0 6.8 6.5 6.8
Burundi 7.0 8.8 9.0 8.1
Macedonia, FYR 6.9 7.0 6.9 7.1
Mali 6.8 6.9 6.8 5.8
Nigeria 6.8 5.6 5.7 6.1
Latvia 6.8 6.5 6.0 6.0
El Salvador 6.8 6.9 6.8 6.7
Kyrgyz Republic 6.8 6.7 6.2 7.1
Estonia 6.8 6.3 5.8 5.9
Timor-Leste 6.8 5.6 4.6 4.3
Cote d'Ivoire 6.8 6.9 6.8 7.1
Guinea-Bissau 6.8 7.1 6.3 5.9
Turkey 6.7 6.8 6.1 6.3
Vietnam 6.5 6.9 6.8 6.6
Haiti 6.5 6.7 8.5 6.4
Mongolia 6.4 6.3 6.0 6.3
Mexico 6.4 6.3 6.0 6.1
Zambia 6.4 6.1 6.2 6.5
Guyana 6.4 6.6 6.8 6.6
Guinea 6.3 6.2 6.0 6.3
Montenegro 6.3 7.2 7.2 7.6
Cambodia 6.3 5.8 5.6 5.4
Grenada 6.2 6.0 6.5 6.4
Andorra 6.2 7.2 7.2 8.3
Tunisia 6.2 6.7 7.0 7.0
Russian Federation 6.2 6.3 6.1 6.3
Botswana 6.1 5.6 5.2 5.3
Suriname 6.1 5.8 6.0 5.9
Trinidad and Tobago 6.1 5.2 5.3 5.4
Belarus 6.1 5.6 4.9 5.0
Albania 6.0 5.5 6.0 6.0
Nepal 6.0 5.9 6.1 5.5
Mozambique 6.0 5.7 6.4 6.4
Tajikistan 5.9 6.0 5.8 5.8
Azerbaijan 5.9 5.3 5.0 5.4
Venezuela, RB 5.8 4.7 4.5 4.6
Belize 5.8 5.8 5.8 5.8
Bolivia 5.8 5.5 5.0 5.8
Samoa 5.7 6.4 7.0 6.8
Morocco 5.7 5.9 6.3 6.4
Romania 5.6 5.9 5.6 5.1
Equatorial Guinea 5.6 4.3 4.5 4.7
Tanzania 5.6 7.2 7.4 7.0
Dominican Republic 5.4 5.5 5.4 5.4
Mauritania 5.4 6.0 5.9 6.4
Uzbekistan 5.4 5.4 5.6 5.9
Peru 5.3 4.9 4.7 5.1
Yemen, Rep. 5.3 5.1 5.0 5.5
Jamaica 5.2 5.3 5.2 5.9
China 5.1 5.0 5.1 5.4
St. Vincent and the Grenadines 5.1 4.7 4.9 5.2
Ghana 5.1 5.3 5.3 5.2
Cameroon 5.1 5.3 5.4 5.1
San Marino 5.1 5.3 5.5 6.5
Dominica 5.0 6.0 6.0 5.9
St. Kitts and Nevis 5.0 5.4 5.8 5.9
Egypt, Arab Rep. 5.0 4.8 4.9 5.0
Mauritius 5.0 5.4 4.9 4.8
Senegal 4.8 4.8 5.0 5.0
Iraq 4.6 3.1 2.7 3.6
Kenya 4.6 4.4 4.4 4.7
Algeria 4.6 4.2 4.4 5.2
Tonga 4.6 4.8 5.0 5.4
Bhutan 4.6 4.1 3.7 3.8
Antigua and Barbuda 4.6 5.7 5.5 5.2
Armenia 4.5 4.6 3.7 4.5
Madagascar 4.5 4.5 4.1 4.1
Bahrain 4.5 4.3 3.8 3.9
Chad 4.5 4.0 2.8 2.8
Singapore 4.5 4.1 4.2 4.7
Kazakhstan 4.5 4.3 3.9 4.2
Gambia, The 4.5 4.7 4.7 5.0
Ethiopia 4.5 4.7 4.1 3.8
Benin 4.4 4.3 4.5 4.5
Angola 4.4 3.4 3.4 3.5
Monaco 4.3 4.4 4.4 4.4
Philippines 4.3 4.2 4.4 4.6
Cabo Verde 4.2 4.3 4.0 3.9
Fiji 4.2 4.2 3.8 4.0
Papua New Guinea 4.2 4.1 4.2 5.2
Saudi Arabia 4.1 4.0 3.5 3.2
Thailand 4.1 3.8 4.1 3.9
Kuwait 3.9 2.8 2.6 2.5
India 3.9 3.7 3.9 4.0
Malaysia 3.9 4.0 3.8 3.9
Vanuatu 3.9 4.7 3.8 3.6
Comoros 3.8 3.4 3.6 4.5
Bangladesh 3.7 3.7 3.8 3.6
Gabon 3.7 3.5 3.4 3.5
Lao PDR 3.6 2.6 2.8 2.9
Central African Republic 3.6 3.9 3.9 3.8
Syrian Arab Republic 3.5 3.4 3.4 3.4
Libya 3.5 3.3 3.9 3.9
United Arab Emirates 3.4 3.2 3.1 2.8
Sri Lanka 3.3 3.4 3.3 3.1
Eritrea 3.1 3.2 2.7 2.6
Pakistan 3.0 3.0 3.0 3.1
Oman 3.0 2.8 2.4 2.6
Indonesia 2.8 2.9 2.9 3.0
Brunei Darussalam 2.8 2.7 2.2 2.3
Seychelles 2.7 3.7 3.6 4.7
Qatar 2.6 2.1 1.9 2.2
South Sudan 2.4 2.1 1.7 2.6
Congo, Rep. 2.3 2.3 2.5 3.2
Turkmenistan 2.1 2.1 2.1 2.0
Myanmar 2.1 1.9 1.8 1.8
Korea, Dem. Rep.
Sint Maarten (Dutch part)
Macao SAR, China
Hong Kong SAR, China
Bermuda
American Samoa
Isle of Man
Curacao
Greenland
New Caledonia
Aruba
West Bank and Gaza
French Polynesia
St. Martin (French part)
Faeroe Islands
Somalia
Cayman Islands
Turks and Caicos Islands
Kosovo
Northern Mariana Islands
Virgin Islands (U.S.)
Guam
Puerto Rico
Liechtenstein
Zimbabwe

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