Country name 2010 2011 2012 2013
Pakistan 21 22
Saudi Arabia 23 25
Luxembourg 13 13 12
Albania 21
Algeria 33 31
Tunisia 33 34
American Samoa
Mongolia 16 17
Andorra
Angola
St. Lucia
Antigua and Barbuda
West Bank and Gaza 25 26 26
Argentina 23 24 23
Malta 25 24 22
Armenia 17 17
New Caledonia
Aruba
Puerto Rico 14 14 14
Australia
Slovenia 33 32 31
Austria 25 26 26
Syrian Arab Republic 33 33
Azerbaijan 14 14 14
United Kingdom 19 19 19
Bahamas, The 13
Liberia 9
Bahrain 35
Malawi
Bangladesh
Mexico 26 24
Barbados 20 20 19
Myanmar
Belarus
Nigeria
Belgium 23 23 22
Peru 18 17
Belize
Rwanda
Benin
Sierra Leone
Bermuda
South Sudan
Bhutan 7 9 9
Suriname
Bolivia
Timor-Leste 9
Bosnia and Herzegovina 31 29 30
Tuvalu
Botswana
Vanuatu
Brazil 22
Afghanistan
Brunei Darussalam
Liechtenstein
Bulgaria 33 32 31
Macedonia, FYR 30 30
Burkina Faso
Maldives
Burundi
Mauritania
Cabo Verde
Moldova 19 19 19
Cambodia 16 17 19
Morocco 22 22 21
Cameroon 13
Nepal
Canada
Nicaragua 17
Palau
Norway 20 20 20
Cayman Islands
Central African Republic
Papua New Guinea
Chad
Poland 30 31 30
Chile 23 23
Romania 29 29 29
China 29 30
San Marino
Colombia 20 21 21
Serbia 26 27 27
Comoros
Sint Maarten (Dutch part)
Congo, Dem. Rep.
Somalia
Congo, Rep.
Sri Lanka 24 17 18
Costa Rica 20 20 20
St. Vincent and the Grenadines
Cote d'Ivoire
Sweden 20 20 20
Croatia 27 28 27
Tanzania
Cuba 17 17
Tonga
Curacao
Turkmenistan
Cyprus 20 21 20
Ukraine 21 21
Czech Republic 38 38 38
Uruguay 21 21
Denmark 20 20 20
Vietnam 21 21
Djibouti
Zambia
Dominica
Lesotho
Dominican Republic 15 18
Libya
Ecuador 19 18 18
Lithuania 24 24 25
Egypt, Arab Rep. 25 24
Macao SAR, China
El Salvador 21 21 21
Madagascar
Equatorial Guinea
Malaysia 28 29 28
Eritrea
Mali
Estonia 31 33 31
Marshall Islands
Ethiopia
Mauritius 28 28 28
Faeroe Islands
Micronesia, Fed. Sts.
Fiji
Monaco
Finland 23 23 23
Montenegro 20 19 18
France 22 22 22
Mozambique
French Polynesia 8 8
Namibia 17 14
Gabon
Netherlands 16 15
Gambia, The
New Zealand
Georgia
Niger
Germany 28 28 28
Northern Mariana Islands
Ghana 15
Oman 37
Greece 20 18 17
Greenland
Panama 19 19 18
Grenada
Paraguay 19 17 16
Guam 14
Philippines 15 15 15
Guatemala 22 20 20
Portugal 28 27 26
Guinea
Qatar 54 52
Guinea-Bissau
Russian Federation
Guyana
Samoa
Haiti
Sao Tome and Principe
Honduras 20 20
Senegal
Hong Kong SAR, China 11 11 12
Seychelles
Hungary 31 31 30
Singapore
Iceland 18 19 18
Slovak Republic 37 37 38
India 22 25
Solomon Islands
Indonesia 19 20 22
South Africa 25 24
Iran, Islamic Rep.
Spain 23 22 21
Iraq
St. Kitts and Nevis
Ireland 20 19 18
St. Martin (French part)
Isle of Man
Sudan
Israel
Swaziland
Italy 29 29 28
Switzerland 21 21 20
Jamaica 16 16 16
Tajikistan
Japan 25
Thailand 21 21 21
Jordan 19 18 18
Togo
Kazakhstan 19 19 19
Trinidad and Tobago
Kenya
Turkey 26 27 26
Kiribati
Turks and Caicos Islands
Korea, Dem. Rep.
Uganda
Korea, Rep. 17
United Arab Emirates
Kosovo 28
United States 17
Kuwait
Uzbekistan
Kyrgyz Republic
Venezuela, RB 22 21
Lao PDR
Virgin Islands (U.S.)
Latvia 24 23 24
Yemen, Rep. 19
Lebanon
Zimbabwe

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