Country name 2011 2012 2013 2014
Samoa 0.0 0.0
Estonia 1.8 1.7 1.7
United Arab Emirates 4.0 4.1 3.8
Nigeria 6.0 5.1
West Bank and Gaza 8.4 7.2 7.6
Central African Republic 14.9 9.5
Switzerland 10.2 9.9
Macao SAR, China 12.1 11.0
Cambodia 11.1 11.7 11.6 11.4
Lao PDR 11.3 12.0
Uganda 15.7 12.1
Singapore 13.0 12.6
Benin 12.4 12.9 12.8
Guatemala 12.5 13.0
Germany 14.1 13.6 13.2
Mali 14.9 14.4 16.0
Rwanda 15.0 14.5 13.0
Burkina Faso 12.4 14.5 13.7
United States 16.0 14.7 13.8 22.8
Canada 15.6 14.8 14.6
Cote d'Ivoire 13.9 15.2 13.6
Nicaragua 15.0 15.3
Dominican Republic 13.6 15.5 15.6
Sri Lanka 16.2 15.5
Indonesia 15.0 15.6
Nepal 15.9 15.9 15.2
India 14.3 16.1
Philippines 15.8 16.4
El Salvador 17.8 16.5 18.4
Senegal 17.5 17.0
Sao Tome and Principe 20.1 17.3
Tanzania 16.6 17.6
Peru 17.8 17.9
Togo 15.6 18.0 21.4
Thailand 18.5 18.3 18.8
Pakistan 17.6 18.8 17.8
Japan 19.6 19.1 19.2
Kenya 18.3 19.6
Costa Rica 18.9 20.1 20.5
Chile 20.0 20.4 20.5
Antigua and Barbuda 23.4 20.6
Russian Federation 18.6 20.7 19.6
Lithuania 26.2 20.9 21.0
Malaysia 19.7 21.0
Mauritius 21.3 21.2 22.5
Grenada 20.0 21.2
Paraguay 17.6 21.2
Armenia 22.6 21.4
Slovak Republic 23.0 22.2 22.0
Honduras 21.3 22.3 23.7
Suriname 20.9 22.4
Belize 24.7 22.5
Azerbaijan 18.5 22.5
Poland 23.2 22.7 22.6
Kyrgyz Republic 21.7 22.9
Bosnia and Herzegovina 22.6 23.0 21.5
St. Lucia 21.4 23.3
France 23.3 23.4 23.1
Angola 26.9 23.9
Mozambique 23.7 24.3
Brazil 24.9 24.4
Romania 26.2 24.4 23.3
Turkey 24.3 24.7 25.3
Colombia 24.2 25.1 28.2
Georgia 24.3 25.4
Spain 19.7 25.5 22.3
Dominica 24.2 25.8
Seychelles 26.3 26.0
Australia 26.0 26.3 26.0
Mongolia 24.0 26.6
Netherlands 27.3 27.2 26.5
Lebanon 26.3 27.3 28.2
St. Kitts and Nevis 30.3 27.7
Finland 27.6 28.1 28.6
Belarus 26.3 28.5
Egypt, Arab Rep. 29.2 29.0
Latvia 30.7 29.2
Macedonia, FYR 29.0 29.4
Sweden 29.2 29.4 29.7
Jordan 28.0 29.5
Italy 28.4 29.6 29.8
Botswana 28.7 29.7
Morocco 29.1 30.1
Uruguay 29.1 30.5
Bulgaria 29.6 30.7
Belgium 30.1 31.1 30.8
South Africa 30.7 31.8 31.6
Jamaica 33.7 32.0 29.6
Czech Republic 33.6 33.2
Hungary 34.4 33.2 36.6
Moldova 32.8 33.3
Cyprus 33.9 33.5 33.1
Norway 34.1 33.6 34.2
Austria 33.7 34.1 34.3
Iceland 35.3 34.6 32.8
Israel 35.0 35.3 35.1
Tunisia 34.5 35.4
Portugal 36.1 36.1 37.5
Oman 30.0 36.5
Croatia 36.8 36.6
Barbados 34.5 38.0 38.8
Serbia 37.6 39.2
Ireland 42.8 39.3 37.6
Luxembourg 38.7 40.4
Afghanistan 59.1 41.0
Ukraine 38.3 41.1
Slovenia 42.4 42.3
Malta 40.6 42.5 42.9
Greece 42.0 42.8 50.8
United Kingdom 42.3 43.1 40.8
Denmark 42.5 44.0 42.1
New Zealand 52.8 45.6 32.9
Korea, Rep. 18.9
San Marino
Iran, Islamic Rep.
Vanuatu 22.0
Madagascar 9.7
Kuwait
Malawi
Liechtenstein
Ecuador
Cameroon
Maldives 25.4
Ethiopia 10.6
Djibouti
South Sudan
Liberia
Bangladesh 9.8
Marshall Islands
Equatorial Guinea
Mauritania
Albania
Libya
Burundi
Mexico
Saudi Arabia
Micronesia, Fed. Sts.
Iraq
French Polynesia
Somalia
Monaco
Gambia, The
Faroe Islands
St. Vincent and the Grenadines
Montenegro
Ghana 21.1
Hong Kong SAR, China
Eritrea
Gabon
Greenland
Myanmar
Vietnam
Namibia 35.0
Kiribati
Curacao
Cabo Verde
Cuba
Haiti
New Caledonia
Brunei Darussalam
Sierra Leone
Guyana
Sint Maarten (Dutch part)
Bolivia
Lesotho
Bhutan
Niger
Bermuda
Congo, Rep.
Solomon Islands
Northern Mariana Islands
Guinea-Bissau
Syrian Arab Republic
Guinea
Bahamas, The
Guam
Korea, Dem. People’s Rep.
St. Martin (French part)
Fiji
Sudan
Turkmenistan
Swaziland
Tuvalu
Bahrain 22.3
Timor-Leste
Tajikistan
Tonga
Isle of Man
Congo, Dem. Rep.
Aruba
Palau
Trinidad and Tobago
Panama
Argentina
Papua New Guinea
Turks and Caicos Islands
Comoros
Andorra
China
American Samoa
Chad
Algeria 29.5
Cayman Islands
Uzbekistan
Zambia 15.3
Venezuela, RB
Kazakhstan
Virgin Islands (U.S.)
Qatar
Yemen, Rep.
Puerto Rico
Zimbabwe

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