Country name 2004 2005 2006 2007 2008
Afghanistan 19 26 18 18 18
Albania
Algeria 15 15 15 17 15
American Samoa
Andorra 46 46 46 47 47
Angola
Antigua and Barbuda 51 51 51 51 51
Argentina 45 45 45 44
Armenia 43 41 42 41 40
Aruba 49
Australia 47 47 47 47 47
Austria 46 47 47 46 47
Azerbaijan 45 47 46 45 44
Bahamas, The 50 50 50 49 49
Bahrain 20 20 20 20 20
Bangladesh 20
Barbados 51 52 51 50 51
Belarus 53 53 53 53 53
Belgium 45 45 46 46 47
Belize 37 36 38
Benin
Bermuda 49 49 49 49
Bhutan
Bolivia 36 38 42 38
Bosnia and Herzegovina 39 38 39
Botswana 40 43 44 43
Brazil 47 47 47 47
Brunei Darussalam
Bulgaria 53 52 51 49 49
Burkina Faso 25 25 27 27
Burundi
Cabo Verde
Cambodia 44
Cameroon
Canada 49 49 50 50 50
Cayman Islands 52 50 49 49 51
Central African Republic
Chad
Chile 34 34 35 36 36
China
Colombia 48 47 47 48 48
Comoros
Congo, Dem. Rep.
Congo, Rep.
Costa Rica 39 40 41 41 42
Cote d'Ivoire
Croatia 46 46 47 46 46
Cuba 43 43 43 44 43
Curacao
Cyprus 48 48 48 49 49
Czech Republic 47 47 46 46 46
Denmark 49 49 49 49 49
Djibouti
Dominica
Dominican Republic 38 38 39 39 40
Ecuador 39 40 39
Egypt, Arab Rep. 19 18 18 19 18
El Salvador 31 33 33 33
Equatorial Guinea
Eritrea
Estonia 52 53 53 52 52
Ethiopia 41 44 41
Faeroe Islands 46
Fiji 30
Finland 51 51 51 51 51
France 48 49 49 49 49
French Polynesia 43 43 43 43
Gabon
Gambia, The
Georgia 50 49 49 48 46
Germany 47 47 47 47 47
Ghana
Greece 41 41 42 42 42
Greenland 50 49
Grenada
Guam 43 45 45 44 43
Guatemala
Guinea
Guinea-Bissau
Guyana
Haiti
Honduras 43 42 42 42
Hong Kong SAR, China 47 48 48 48 49
Hungary 49 49 48 48 48
Iceland 52 52 51 50 49
India 18 18
Indonesia 29 30 31 31 32
Iran, Islamic Rep. 13 16
Iraq 16 15 12
Ireland 48 48 48 48 49
Isle of Man
Israel 49 49 49 49 49
Italy 43 43 43 43 44
Jamaica 45 46 46 46 48
Japan 41 41 42 42 42
Jordan 14 16 16 16
Kazakhstan 49 49 50 50 50
Kenya
Kiribati 39
Korea, Dem. Rep.
Korea, Rep. 42 42 42 42 42
Kosovo
Kuwait 26
Kyrgyz Republic 43 43 43
Lao PDR 32
Latvia 53 53 53 52 53
Lebanon 31 32
Lesotho
Liberia
Libya
Liechtenstein 39 39
Lithuania 53 53 53 53
Luxembourg 42 42 43 44 43
Macao SAR, China 49 50 48 48
Macedonia, FYR 43 43 43 43 42
Madagascar 38
Malawi
Malaysia 38 39 39 39 39
Maldives 30
Mali 35
Malta 33 34 35 36 36
Marshall Islands
Mauritania
Mauritius 38 37 37 37 37
Mexico 38 39 39 39 39
Micronesia, Fed. Sts.
Moldova 55 55 54 55 54
Monaco
Mongolia 51 51 52 51 51
Montenegro 43
Morocco 23 23 21 21 21
Mozambique
Myanmar
Namibia 41
Nepal
Netherlands 46 46 47 47 48
New Caledonia
New Zealand 48 48 47 47 47
Nicaragua 39 38 39 38
Niger 25 27 30 36
Nigeria 21 21
Northern Mariana Islands
Norway 49 49 49 49 49
Oman 22
Pakistan 14 14 13 13 13
Palau
Panama 44 43 43 43 42
Papua New Guinea
Paraguay 40 40 39 40 40
Peru 32 33 32 34 35
Philippines 41 41 42 42 42
Poland 47 47 47 47 47
Portugal 47 47 47 48 48
Puerto Rico 40 41 41 42 42
Qatar 16 15 12
Romania 47 46 47 46 46
Russian Federation 51 51 51 51 51
Rwanda
Samoa
San Marino 42 42 42 42 42
Sao Tome and Principe
Saudi Arabia 15 15 15
Senegal
Serbia 44 42 44 44 44
Seychelles
Sierra Leone 23
Singapore 44 45 45 46
Sint Maarten (Dutch part)
Slovak Republic 49 48 47 47 48
Slovenia 48 47 48 47 47
Solomon Islands
Somalia
South Africa 41 41 41 42 44
South Sudan
Spain 42 42 43 44 45
Sri Lanka 31 32 32 31 31
St. Kitts and Nevis
St. Lucia 48
St. Martin (French part)
St. Vincent and the Grenadines
Sudan
Suriname 38
Swaziland
Sweden 51 51 50 50 50
Switzerland 47 47 47 47 47
Syrian Arab Republic 16 16
Tajikistan 23 23 22
Tanzania 31
Thailand 44 45 45 45 45
Timor-Leste
Togo
Tonga
Trinidad and Tobago 44 44
Tunisia
Turkey 20 21 22 22 23
Turkmenistan
Turks and Caicos Islands 42 42 41 38 38
Tuvalu 34
Uganda
Ukraine 51 50 50 49 49
United Arab Emirates 20
United Kingdom 49 49 49 49 49
United States 48 47 47 47 48
Uruguay 49 45 46
Uzbekistan 41 40 40 39
Vanuatu 38 38 38 38 39
Venezuela, RB 42 42 41 41 42
Vietnam 40
Virgin Islands (U.S.)
West Bank and Gaza 18 16 17 17 18
Yemen, Rep. 6 6 6
Zambia
Zimbabwe

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