Country name 2010 2011 2012 2013
Afghanistan
Albania 28
Algeria 34 32
American Samoa
Andorra
Angola
Antigua and Barbuda
Argentina 33 33 33
Armenia 27 26
Aruba
Australia
Austria 37 38 38
Azerbaijan 21 22 22
Bahamas, The 22
Bahrain 42
Bangladesh
Barbados 30 30 28
Belarus
Belgium 34 35 33
Belize
Benin
Bermuda
Bhutan 7 10 10
Bolivia
Bosnia and Herzegovina 40 36 38
Botswana
Brazil 29
Brunei Darussalam
Bulgaria 41 38 37
Burkina Faso
Burundi
Cabo Verde
Cambodia 17 16 19
Cameroon 13
Canada
Cayman Islands
Central African Republic
Chad
Chile 31 32
China
Colombia 22 24 24
Comoros
Congo, Dem. Rep.
Congo, Rep.
Costa Rica 24 25 24
Cote d'Ivoire
Croatia 38 37 36
Cuba 20 20
Curacao
Cyprus 30 32 31
Czech Republic 49 49 49
Denmark 29 29 29
Djibouti
Dominica
Dominican Republic 21 22
Ecuador 23 22 22
Egypt, Arab Rep. 30 28
El Salvador 24 23 23
Equatorial Guinea
Eritrea
Estonia 44 46 45
Ethiopia
Faeroe Islands
Fiji
Finland 36 36 36
France 33 33 32
French Polynesia
Gabon
Gambia, The
Georgia
Germany 40 40 40
Ghana 17
Greece 28 25 23
Greenland
Grenada
Guam
Guatemala 21 19 22
Guinea
Guinea-Bissau
Guyana
Haiti
Honduras 19 19
Hong Kong SAR, China 18 18 19
Hungary 40 40 39
Iceland 28 28 28
India 24 26
Indonesia 22 23 25
Iran, Islamic Rep.
Iraq
Ireland 29 28 27
Isle of Man
Israel
Italy 39 38 38
Jamaica 23 23 22
Japan 33
Jordan 21 20 19
Kazakhstan
Kenya
Kiribati
Korea, Dem. Rep.
Korea, Rep. 20
Kosovo 33
Kuwait
Kyrgyz Republic
Lao PDR
Latvia 35 33 33
Lebanon
Lesotho
Liberia 14
Libya
Liechtenstein
Lithuania 33 33 34
Luxembourg 19 19 19
Macao SAR, China
Macedonia, FYR 33 33
Madagascar
Malawi
Malaysia 31 33 33
Maldives
Mali
Malta 32 31 28
Marshall Islands
Mauritania
Mauritius 32 32 32
Mexico 30 29
Micronesia, Fed. Sts.
Moldova 25 25 26
Monaco
Mongolia 20 22
Montenegro 28 27 26
Morocco
Mozambique
Myanmar
Namibia 25 22
Nepal
Netherlands 24 23
New Caledonia
New Zealand
Nicaragua 18
Niger
Nigeria
Northern Mariana Islands
Norway 31 32 32
Oman 43
Pakistan 23 25
Palau
Panama 24 24 24
Papua New Guinea
Paraguay 25 23 22
Peru 23 23
Philippines 18 18 19
Poland 42 42 42
Portugal 38 37 35
Puerto Rico 18 18 19
Qatar 61 59
Romania 36 36 35
Russian Federation
Rwanda
Samoa
San Marino
Sao Tome and Principe
Saudi Arabia 26 28
Senegal
Serbia 33 34 33
Seychelles
Sierra Leone
Singapore
Sint Maarten (Dutch part)
Slovak Republic 50 50 51
Slovenia 43 43 42
Solomon Islands
Somalia
South Africa 33 33 32
South Sudan
Spain 34 32 31
Sri Lanka 24 14 14
St. Kitts and Nevis
St. Lucia
St. Martin (French part)
St. Vincent and the Grenadines
Sudan
Suriname
Swaziland
Sweden 31 31 30
Switzerland 30 31 29
Syrian Arab Republic 36 36
Tajikistan
Tanzania
Thailand 23 23 23
Timor-Leste 10
Togo
Tonga
Trinidad and Tobago
Tunisia
Turkey 30 31 31
Turkmenistan
Turks and Caicos Islands
Tuvalu
Uganda
Ukraine
United Arab Emirates
United Kingdom 29 29 29
United States 25
Uruguay
Uzbekistan
Vanuatu
Venezuela, RB 29
Vietnam 25
Virgin Islands (U.S.)
West Bank and Gaza 28 29 30
Yemen, Rep. 19
Zambia
Zimbabwe

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