Country name 2011 2012 2013 2014
Afghanistan 0.0 0.0 0.0 40.0
Albania 15.7 21.3 18.1 21.9
Algeria 48.4 0.0 0.0 0.0
American Samoa
Andorra
Angola 14.2 9.3 6.3 9.4
Antigua and Barbuda
Argentina
Armenia 24.3 22.5 13.2 23.1
Aruba
Australia
Austria
Azerbaijan 19.3 13.8 18.7 12.9
Bahamas, The
Bahrain
Bangladesh 35.2 20.8 35.5 33.6
Barbados
Belarus 17.8 8.7 8.0 11.4
Belgium
Belize 21.5 24.6 19.6 22.6
Benin 34.7 35.9 24.1 26.2
Bermuda
Bhutan 31.3 16.9 29.0 29.2
Bolivia 21.6 15.6 18.7 20.6
Bosnia and Herzegovina 19.4 18.1 19.7 22.7
Botswana 38.1 0.0 0.0 0.0
Brazil 11.3 14.7 9.4 11.7
Brunei Darussalam
Bulgaria 20.3 7.1 17.8 11.1
Burkina Faso 26.7 35.7 29.3 29.2
Burundi 19.9 21.9 24.8 19.4
Cabo Verde 23.4 27.1 23.8 28.6
Cambodia 25.7 23.0 27.6 28.5
Cameroon 20.3 20.3 26.0 23.9
Canada
Cayman Islands
Central African Republic 38.9 38.6 33.0 31.2
Chad 19.8 18.3 3.9 49.7
Chile
China 19.4 15.1 22.3 9.1
Colombia 12.6 17.4 13.0 18.8
Comoros 0.0 0.0 0.0 0.0
Congo, Dem. Rep. 17.1 14.9 15.2 26.8
Congo, Rep. 9.0 15.5 21.8 12.9
Costa Rica 12.8 13.7 17.9 22.3
Cote d'Ivoire 16.1 10.8 19.7 12.5
Croatia
Cuba
Curacao
Cyprus
Czech Republic
Denmark
Djibouti 21.1 22.0 18.2 19.9
Dominica 20.2 21.9 11.4 38.4
Dominican Republic 15.6 26.4 12.4 21.0
Ecuador 12.8 10.2 18.4 10.6
Egypt, Arab Rep. 16.2 10.6 5.5 25.3
El Salvador 26.3 14.4 14.3 8.0
Equatorial Guinea
Eritrea 0.0 0.0 0.0 0.0
Estonia
Ethiopia 23.7 39.1 17.3 21.1
Faroe Islands
Fiji 9.5 19.6 0.0 20.0
Finland
France
French Polynesia
Gabon 12.6 18.3 13.1 19.7
Gambia, The 18.9 22.7 20.4 26.7
Georgia 16.3 21.3 24.8 23.6
Germany
Ghana 21.2 20.2 13.0 12.1
Greece
Greenland
Grenada 32.0 28.3 14.5 33.1
Guam
Guatemala 19.4 15.1 18.0 0.0
Guinea 27.3 0.0 50.0 42.5
Guinea-Bissau 0.0 0.0 0.0 39.8
Guyana 25.3 22.6 28.8 27.5
Haiti 25.0 25.0 25.0 25.0
Honduras 24.2 29.0 15.2 21.2
Hong Kong SAR, China
Hungary
Iceland
India 19.1 18.7 13.8 15.3
Indonesia 15.9 15.3 15.7 14.0
Iran, Islamic Rep. 7.6 4.5 0.0 0.0
Iraq
Ireland
Isle of Man
Israel
Italy
Jamaica 13.3 25.1 19.1 15.6
Japan
Jordan 9.8 17.7 7.1 10.3
Kazakhstan 18.5 16.9 22.6 17.4
Kenya 31.5 29.9 29.8 16.7
Kiribati
Korea, Dem. People’s Rep.
Korea, Rep.
Kuwait
Kyrgyz Republic 24.6 20.6 21.2 27.7
Lao PDR 20.3 22.8 20.1 20.1
Latvia
Lebanon 9.4 9.2 7.7 9.9
Lesotho 26.6 20.6 36.8 33.3
Liberia 39.8 35.7 33.6 38.4
Libya
Liechtenstein
Lithuania
Luxembourg
Macao SAR, China
Macedonia, FYR 10.6 12.2 9.4 14.1
Madagascar 39.4 39.5 41.3 35.2
Malawi 31.6 36.5 25.7 41.3
Malaysia 7.6 20.8 19.7 4.4
Maldives 13.1 19.6 24.7 21.2
Mali 32.8 23.1 32.6 27.1
Malta
Marshall Islands
Mauritania 25.6 20.3 26.8 20.7
Mauritius 10.7 15.5 19.1 16.7
Mexico 37.3 34.3 27.0 29.9
Micronesia, Fed. Sts.
Moldova 23.1 19.2 18.0 21.5
Monaco
Mongolia 27.2 9.6 40.0 20.6
Montenegro 10.1 7.9 7.2 26.8
Morocco 22.4 20.1 19.3 18.6
Mozambique 32.7 22.1 20.6 23.9
Myanmar 0.0 31.4 37.1 31.9
Namibia
Nepal 29.4 32.0 33.6 33.5
Netherlands
New Caledonia
New Zealand
Nicaragua 27.8 28.0 29.0 29.7
Niger 36.1 36.3 22.9 29.2
Nigeria 23.2 29.5 28.1 25.0
Northern Mariana Islands
Norway
Oman
Pakistan 28.9 20.3 22.8 17.4
Palau
Panama 15.1 15.5 25.3 13.4
Papua New Guinea 24.1 25.1 27.9 23.1
Paraguay 21.6 24.0 15.8 28.9
Peru 15.0 31.1 10.3 24.0
Philippines 20.3 23.4 27.6 26.1
Poland
Portugal
Puerto Rico
Qatar
Romania 8.6 8.8 8.4 14.3
Russian Federation
Rwanda 40.6 32.3 21.2 32.3
Samoa 19.6 23.2 0.0 20.3
San Marino
Sao Tome and Principe 29.9 29.1 0.0 24.9
Saudi Arabia
Senegal 21.8 31.0 30.2 40.4
Serbia 11.4 8.9 7.9 15.3
Seychelles
Sierra Leone 29.8 31.1 37.6 39.5
Singapore
Sint Maarten (Dutch part)
Slovak Republic
Slovenia
Solomon Islands 0.0 31.8 0.0 37.4
Somalia 0.0 0.0 0.0 0.0
South Africa 11.3 11.3 13.1 21.9
South Sudan
Spain
Sri Lanka 19.5 17.7 16.8 14.7
St. Kitts and Nevis
St. Lucia 30.9 39.9 0.0 33.3
St. Martin (French part)
St. Vincent and the Grenadines 25.0 25.7 21.0 30.2
Sudan 25.0 24.5 21.5 25.2
Suriname
Swaziland 16.1 10.6 0.0 0.0
Sweden
Switzerland
Syrian Arab Republic 25.0 0.0 0.0 0.0
Tajikistan 14.9 19.4 23.6 16.3
Tanzania 31.4 38.4 28.8 28.5
Thailand 19.2 20.1 0.0 0.0
Timor-Leste
Togo 25.5 22.8 17.1 22.5
Tonga 0.0 0.0 39.7 39.7
Trinidad and Tobago
Tunisia 20.9 16.3 17.6 16.8
Turkey 17.2 13.1 13.9 13.5
Turkmenistan 24.5 0.0 0.0 0.0
Turks and Caicos Islands
Tuvalu
Uganda 27.9 38.0 36.1 35.8
Ukraine 10.8 17.1 4.2 12.0
United Arab Emirates
United Kingdom
United States
Uruguay
Uzbekistan 25.8 20.5 20.0 32.0
Vanuatu 0.0 31.1 0.0 0.0
Venezuela, RB
Vietnam 27.0 25.9 25.3 24.2
Virgin Islands (U.S.)
West Bank and Gaza
Yemen, Rep. 24.9 12.0 20.7 0.0
Zambia 24.8 18.4 19.1 12.3
Zimbabwe 11.7 20.4 0.0 0.0

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