Country name 1986 1987 1988 1989 1990
Afghanistan
Albania
Algeria
American Samoa 52
Andorra
Angola
Antigua and Barbuda
Argentina 60
Armenia
Aruba
Australia 58 59 58 58 59
Austria 44 43 44 44 44
Azerbaijan
Bahamas, The 70 70
Bahrain
Bangladesh 28 24
Barbados 64 64 63 55 56
Belarus
Belgium 58 59 56 56 56
Belize
Benin
Bermuda
Bhutan
Bolivia 33 33 33 63 63
Bosnia and Herzegovina
Botswana
Brazil 39 41 42 43 44
Brunei Darussalam
Bulgaria
Burkina Faso
Burundi
Cabo Verde
Cambodia
Cameroon
Canada 60 59 59 59 60
Cayman Islands
Central African Republic
Chad
Chile 48 46 44 44 44
China
Colombia 65 64 64 64 63
Comoros
Congo, Dem. Rep.
Congo, Rep.
Costa Rica 41 38 39 39 39
Cote d'Ivoire
Croatia
Cuba
Curacao
Cyprus 51 52 53 54 55
Czech Republic 31
Denmark 54 54 55 55 55
Djibouti
Dominica 28
Dominican Republic
Ecuador 60
Egypt, Arab Rep. 40 41
El Salvador 65 54 52 54
Equatorial Guinea
Eritrea
Estonia 30 31
Ethiopia
Faeroe Islands
Fiji 47
Finland 45 46 47 47 48
France 52 53 54 54 55
French Polynesia
Gabon
Gambia, The
Georgia
Germany
Ghana
Greece 42 44 45 45 46
Greenland
Grenada 40
Guam
Guatemala 21 22 49
Guinea
Guinea-Bissau
Guyana
Haiti 13 13
Honduras 20
Hong Kong SAR, China 56 56 57 59 60
Hungary 33 34 34 35 36
Iceland
India
Indonesia 38 38 31 30 30
Iran, Islamic Rep.
Iraq
Ireland 46 48 47 47 46
Isle of Man
Israel 55 55 57 58 58
Italy 53 53 54 54 55
Jamaica
Japan 54 54 54 54 55
Jordan 74 75
Kazakhstan
Kenya
Kiribati
Korea, Dem. Rep.
Korea, Rep. 43 43 43 44 45
Kuwait 65
Kyrgyz Republic
Lao PDR
Latvia
Lebanon
Lesotho
Liberia
Libya
Liechtenstein
Lithuania
Luxembourg 52 53 53 54 55
Macao SAR, China 57 63
Macedonia, FYR
Madagascar
Malawi
Malaysia 46 46 46 46 46
Maldives 50
Mali
Malta
Marshall Islands
Mauritania
Mauritius 42
Mexico 39
Micronesia, Fed. Sts.
Moldova
Monaco
Mongolia
Montenegro
Morocco 64
Mozambique
Myanmar
Namibia
Nepal
Netherlands 58 60 59 59
New Caledonia
New Zealand 50 52 53 54 54
Nicaragua
Niger
Nigeria 38
Northern Mariana Islands 49
Norway 53 53 55 56 56
Oman
Pakistan 29 32 31 31 31
Palau
Panama 39
Papua New Guinea
Paraguay 60 62 62 61 61
Peru 63 66
Philippines 28 28 29 30 31
Poland
Portugal 41 40 41 42 44
Puerto Rico 67 68 68 67 68
Qatar
Romania 26 26 26 26 26
Russian Federation
Rwanda 11
Samoa
San Marino 45 46 46 46 46
Sao Tome and Principe
Saudi Arabia
Senegal
Serbia
Seychelles
Sierra Leone
Singapore 63 64 63 63 59
Sint Maarten (Dutch part)
Slovak Republic
Slovenia
Solomon Islands
Somalia
South Africa
South Sudan
Spain 45 45 45 46 46
Sri Lanka
St. Kitts and Nevis
St. Lucia
St. Martin (French part)
St. Vincent and the Grenadines
Sudan
Suriname 65
Swaziland
Sweden 51 50 51 52 52
Switzerland 50 51 52 53 54
Syrian Arab Republic 47
Tajikistan
Tanzania
Thailand 22 23 21 21 23
Timor-Leste
Togo
Tonga
Trinidad and Tobago 50 49 50 49 51
Tunisia 41
Turkey 40 39 41
Turkmenistan
Turks and Caicos Islands
Tuvalu
Uganda
Ukraine
United Arab Emirates
United Kingdom 54 55 52 52 53
United States 58 59 59 60 60
Uruguay 63 59 60 59 60
Uzbekistan
Vanuatu
Venezuela, RB 50 50 52 52
Vietnam
Virgin Islands (U.S.)
West Bank and Gaza
Yemen, Rep.
Zambia 22
Zimbabwe

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