Country name 1986 1987 1988 1989 1990
Afghanistan
Albania
Algeria
American Samoa
Andorra
Angola
Antigua and Barbuda
Argentina 26
Armenia
Aruba
Australia
Austria
Azerbaijan
Bahamas, The
Bahrain
Bangladesh
Barbados 12
Belarus
Belgium 17 17 17 18 17
Belize
Benin
Bermuda
Bhutan
Bolivia 44 40
Bosnia and Herzegovina
Botswana
Brazil 29
Brunei Darussalam
Bulgaria
Burkina Faso
Burundi
Cabo Verde
Cambodia
Cameroon
Canada
Cayman Islands
Central African Republic
Chad
Chile
China
Colombia
Comoros
Congo, Dem. Rep.
Congo, Rep.
Costa Rica 22 26 24 25 25
Cote d'Ivoire
Croatia
Cuba
Curacao
Cyprus
Czech Republic
Denmark 7 7 7 7 7
Djibouti
Dominica
Dominican Republic
Ecuador 30 32 36
Egypt, Arab Rep.
El Salvador
Equatorial Guinea
Eritrea
Estonia 2 2
Ethiopia 92
Faroe Islands
Fiji
Finland
France 12 12 12 11 11
French Polynesia
Gabon
Gambia, The
Georgia
Germany 7 7 7 6 6
Ghana
Greece 45 45 44 43 42
Greenland
Grenada
Guam 3
Guatemala
Guinea
Guinea-Bissau
Guyana
Haiti
Honduras 49
Hong Kong SAR, China
Hungary
Iceland
India
Indonesia
Iran, Islamic Rep.
Iraq
Ireland 20 20 20 20 20
Isle of Man
Israel
Italy 28 29 29 28 27
Jamaica
Japan
Jordan
Kazakhstan
Kenya
Kiribati
Korea, Dem. People’s Rep.
Korea, Rep.
Kuwait
Kyrgyz Republic
Lao PDR
Latvia
Lebanon
Lesotho
Liberia
Libya
Liechtenstein
Lithuania
Luxembourg 8 8 8 8 8
Macao SAR, China
Macedonia, FYR
Madagascar
Malawi 84
Malaysia
Maldives 46
Mali
Malta
Marshall Islands
Mauritania
Mauritius 12
Mexico
Micronesia, Fed. Sts.
Moldova
Monaco
Mongolia
Montenegro
Morocco
Mozambique
Myanmar
Namibia
Nepal
Netherlands 9 9 9 9
New Caledonia
New Zealand
Nicaragua
Niger
Nigeria
Northern Mariana Islands
Norway
Oman
Pakistan
Palau
Panama 31 32 37 37
Papua New Guinea
Paraguay 23
Peru 36
Philippines
Poland
Portugal 28 28 27 26 24
Puerto Rico
Qatar
Romania
Russian Federation
Rwanda
Samoa
San Marino
Sao Tome and Principe
Saudi Arabia
Senegal
Serbia
Seychelles
Sierra Leone
Singapore 11 11 10 9
Sint Maarten (Dutch part)
Slovak Republic
Slovenia
Solomon Islands
Somalia
South Africa
South Sudan
Spain 26 27 26 24 23
Sri Lanka 43
St. Kitts and Nevis
St. Lucia
St. Martin (French part)
St. Vincent and the Grenadines
Sudan
Suriname
Swaziland
Sweden
Switzerland
Syrian Arab Republic
Tajikistan
Tanzania
Thailand 71 72 71 70
Timor-Leste
Togo
Tonga
Trinidad and Tobago 22 23 22 22
Tunisia
Turkey
Turkmenistan
Turks and Caicos Islands
Tuvalu
Uganda
Ukraine
United Arab Emirates
United Kingdom 7 8 9 9 9
United States
Uruguay
Uzbekistan
Vanuatu
Venezuela, RB
Vietnam
Virgin Islands (U.S.)
West Bank and Gaza
Yemen, Rep.
Zambia 65
Zimbabwe

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