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
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
Cuba 11.7 10.2 10.0 10.9
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
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
Australia 9.0 8.9 9.0 8.9
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
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
Uruguay 8.9 8.8 8.6 9.0
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
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 7.2
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
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
Iran, Islamic Rep. 5.0 4.6 4.6 4.2
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
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
St. Martin (French part)
Faeroe Islands
Somalia
Aruba
Sint Maarten (Dutch part)
Bermuda
Curacao
Greenland
West Bank and Gaza
American Samoa
French Polynesia
Isle of Man
Guam
Northern Mariana Islands
Macao SAR, China
Cayman Islands
Liechtenstein
Hong Kong SAR, China
Kosovo
Turks and Caicos Islands
Virgin Islands (U.S.)
New Caledonia
Korea, Dem. Rep.
Puerto Rico
Zimbabwe

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