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

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