Country name 2007 2008 2009 2010
Afghanistan
Albania
Algeria
American Samoa
Andorra
Angola
Antigua and Barbuda 26 26
Argentina 34 34 33
Armenia 21 25
Aruba 33
Australia 31 32
Austria 39 38 37 37
Azerbaijan 17 18 19
Bahamas, The 29 27 28
Bahrain
Bangladesh
Barbados
Belarus 33
Belgium 35 36 35 34
Belize
Benin
Bermuda
Bhutan 4
Bolivia 28
Bosnia and Herzegovina
Botswana
Brazil 28 29 29
Brunei Darussalam
Bulgaria 42 43 43 41
Burkina Faso
Burundi
Cambodia 8
Cameroon
Canada 32 32
Cape Verde
Cayman Islands 34 33
Central African Republic
Chad
Chile 31 31
China
Colombia 22 23 22 23
Comoros
Congo, Dem. Rep.
Congo, Rep.
Costa Rica 28 27 27
Cote d'Ivoire
Croatia 40 41 39 38
Cuba 22 22
Curacao
Cyprus 33 34 32 30
Czech Republic 50 51 49 49
Denmark 32 33 29 29
Djibouti
Dominica
Dominican Republic 26 26 26
Ecuador 23 24 24
Egypt, Arab Rep. 27 27
El Salvador 26 26 22
Equatorial Guinea
Eritrea
Estonia 48 48 42 43
Ethiopia 25
Faeroe Islands
Fiji
Finland 38 39 37 36
France 34 34 34 33
French Polynesia
Gabon
Gambia, The
Georgia 17
Germany 41 41 41 40
Ghana
Greece 31 31 30 28
Greenland
Grenada
Guam
Guatemala
Guinea
Guinea-Bissau
Guyana
Haiti
Honduras 22
Hong Kong SAR, China 21 19 19
Hungary 42 42 41 40
Iceland 31 33 28 27
India 24
Indonesia 21 21 21 22
Iran, Islamic Rep. 33 33
Iraq 24 22
Ireland 40 37 31 29
Isle of Man
Israel 31 31 30
Italy 39 39 39 39
Jamaica 27 26 24
Japan 35 34 34 33
Jordan 22 21 21 21
Kazakhstan 26 26
Kenya
Kiribati
Korea, Dem. Rep.
Korea, Rep. 33 32 20 20
Kosovo
Kuwait
Kyrgyz Republic
Lao PDR
Latvia 39 41 35 34
Lebanon
Lesotho
Liberia 4 14
Libya
Liechtenstein
Lithuania 41 42 37 33
Luxembourg 26 21 18 18
Macao SAR, China 27 27
Macedonia, FYR 33 33
Madagascar
Malawi
Malaysia 32 32
Maldives
Mali
Malta 32 33 31 29
Marshall Islands
Mauritania
Mauritius 36 35 33 32
Mayotte
Mexico 30 30 30 30
Micronesia, Fed. Sts.
Moldova 25 26
Monaco
Mongolia 17 19 19
Montenegro 37 36 32
Morocco 23 24
Mozambique
Myanmar
Namibia 24
Nepal
Netherlands 28 27 25 24
New Caledonia
New Zealand 32 32 31
Nicaragua 21
Niger
Nigeria
Northern Mariana Islands
Norway 33 32 32 31
Oman
Pakistan 23 22
Palau
Panama 24 24 24
Papua New Guinea
Paraguay 24 25
Peru 31 32 32
Philippines 18 18 18
Poland 41 43 43 42
Portugal 41 40 39 38
Puerto Rico 26 25
Qatar 58
Romania 37 38 37 36
Russian Federation 38 38
Rwanda
Samoa
San Marino 49 48
Sao Tome and Principe
Saudi Arabia 24 23 23
Senegal
Serbia 37 34 32
Seychelles
Sierra Leone
Singapore 26 27 26
Sint Maarten (Dutch part)
Slovak Republic 51 53 50 50
Slovenia 44 45 43 43
Solomon Islands
Somalia
South Africa 35 35 35
South Sudan
Spain 42 40 36 34
Sri Lanka 26 26 25
St. Kitts and Nevis
St. Lucia
St. Martin (French part)
St. Vincent and the Grenadines
Sudan
Suriname
Swaziland
Sweden 33 33 31 31
Switzerland 33 30 30 30
Syrian Arab Republic 32 34 36 36
Tajikistan
Tanzania
Thailand 22 21 21
Timor-Leste
Togo
Tonga
Trinidad and Tobago 43 44
Tunisia
Turkey 30 31 29 30
Turkmenistan
Turks and Caicos Islands
Tuvalu
Uganda
Ukraine
United Arab Emirates 28
United Kingdom 33 33 30 29
United States 30 30 26 25
Uruguay 29
Uzbekistan
Vanuatu 11
Venezuela, RB 30 31
Vietnam
Virgin Islands (U.S.)
West Bank and Gaza 27 29
Yemen, Rep.
Zambia
Zimbabwe

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