Country name 1986 1987 1988 1989 1990
Afghanistan
Albania
Algeria
American Samoa
Andorra
Angola
Antigua and Barbuda
Argentina 27
Armenia
Aruba
Australia
Austria
Azerbaijan
Bahamas, The
Bahrain
Bangladesh
Barbados 9
Belarus
Belgium 19 17 16 17 17
Belize
Benin
Bermuda
Bhutan
Bolivia 54 50
Bosnia and Herzegovina
Botswana
Brazil 30
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 18 19 20 21
Cote d'Ivoire
Croatia
Cuba
Curacao
Cyprus
Czech Republic
Denmark 7 7 6 6 6
Djibouti
Dominica
Dominican Republic
Ecuador 33 37 41
Egypt, Arab Rep.
El Salvador
Equatorial Guinea
Eritrea
Estonia 2 3
Ethiopia 96
Faroe Islands
Fiji
Finland
France 12 12 11 11 11
French Polynesia
Gabon
Gambia, The
Georgia
Germany 9 9 9 8 7
Ghana
Greece 52 52 50 48 46
Greenland
Grenada
Guam
Guatemala
Guinea
Guinea-Bissau
Guyana
Haiti
Honduras 50
Hong Kong SAR, China
Hungary
Iceland
India
Indonesia
Iran, Islamic Rep.
Iraq
Ireland 9 9 9 9 10
Isle of Man
Israel
Italy 26 26 26 25 24
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 10 10 9 9 9
Macao SAR, China
Macedonia, FYR
Madagascar
Malawi 96
Malaysia
Maldives 57
Mali
Malta
Marshall Islands
Mauritania
Mauritius 7
Mexico
Micronesia, Fed. Sts.
Moldova
Monaco
Mongolia
Montenegro
Morocco
Mozambique
Myanmar
Namibia
Nepal
Netherlands 12 11 11 12
New Caledonia
New Zealand
Nicaragua
Niger
Nigeria
Northern Mariana Islands
Norway
Oman
Pakistan
Palau
Panama 15 18 21 19
Papua New Guinea
Paraguay 31
Peru 46
Philippines
Poland
Portugal 32 34 31 29 28
Puerto Rico
Qatar
Romania
Russian Federation
Rwanda
Samoa
San Marino
Sao Tome and Principe
Saudi Arabia
Senegal
Serbia
Seychelles
Sierra Leone
Singapore 9 9 7 7
Sint Maarten (Dutch part)
Slovak Republic
Slovenia
Solomon Islands
Somalia
South Africa
South Sudan
Spain 31 31 29 27 25
Sri Lanka
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 74 75 75 74
Timor-Leste
Togo
Tonga
Trinidad and Tobago 23 24 23 21
Tunisia
Turkey
Turkmenistan
Turks and Caicos Islands
Tuvalu
Uganda
Ukraine
United Arab Emirates
United Kingdom 5 5 5 5 5
United States
Uruguay
Uzbekistan
Vanuatu
Venezuela, RB
Vietnam
Virgin Islands (U.S.)
West Bank and Gaza
Yemen, Rep.
Zambia 81
Zimbabwe

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