Country name 1985 1986 1987 1988
Nigeria 10
Peru 13
Brazil 13
Colombia 14
Dominican Republic 17
Senegal 31
Liberia 45
Antigua and Barbuda
Morocco 8
Syrian Arab Republic
Argentina
Armenia
Palau
Aruba
Slovenia
Australia
United Kingdom
Austria
Mauritania
Azerbaijan
Nicaragua
Bahamas, The
Qatar
Bahrain
Bangladesh
St. Lucia
Barbados
Tunisia 3
Belarus
West Bank and Gaza
Belgium
Maldives
Belize
Moldova
Benin
Nepal
Bermuda
Northern Mariana Islands
Bhutan
Albania
Bolivia
Samoa
Bosnia and Herzegovina
Sierra Leone
Botswana 28
South Sudan
Andorra
Suriname
Brunei Darussalam
Timor-Leste
Bulgaria
Tuvalu
Burkina Faso
Vanuatu
Burundi 6
Afghanistan
Cabo Verde
Angola
Cambodia
Malta
Cameroon
Mexico 18
Canada
Mongolia
Cayman Islands
Myanmar
Central African Republic
New Caledonia
Chad
Algeria
Chile
Oman
China
Papua New Guinea
American Samoa
Portugal
Comoros
Russian Federation
Congo, Dem. Rep.
Sao Tome and Principe
Congo, Rep.
Serbia
Costa Rica
Sint Maarten (Dutch part)
Cote d'Ivoire
Somalia
Croatia
Sri Lanka 5
Cuba
St. Vincent and the Grenadines
Curacao
Sweden
Cyprus
Tanzania
Czech Republic
Tonga
Denmark
Turkmenistan
Djibouti
Ukraine
Dominica
Uruguay
Liechtenstein
Vietnam
Luxembourg
Zambia
Macedonia, FYR
Lesotho
Malawi
Libya
Ecuador 17
Lithuania
Egypt, Arab Rep. 10
Macao SAR, China
El Salvador 27
Madagascar
Equatorial Guinea
Malaysia
Eritrea
Mali 51
Estonia
Marshall Islands
Ethiopia
Mauritius
Faeroe Islands
Micronesia, Fed. Sts.
Fiji
Monaco
Finland
Montenegro
France
Mozambique
French Polynesia
Namibia
Gabon
Netherlands
Gambia, The
New Zealand
Georgia
Niger
Germany
Ghana 23
Norway
Greece
Pakistan
Greenland
Panama
Philippines
Paraguay
Grenada
Guam
Poland
Guatemala 23
Puerto Rico
Guinea
Romania
Guinea-Bissau
Rwanda
Guyana
San Marino
Haiti
Saudi Arabia
Honduras
Hong Kong SAR, China
Seychelles
Hungary
Singapore
Iceland
Slovak Republic
India
Solomon Islands
Indonesia 11
South Africa
Iran, Islamic Rep.
Spain
Iraq
St. Kitts and Nevis
Ireland
St. Martin (French part)
Isle of Man
Sudan
Israel
Swaziland
Italy
Switzerland
Jamaica
Tajikistan
Japan
Thailand 11
Jordan
Togo 27
Kazakhstan
Trinidad and Tobago 14
Kenya
Turkey
Kiribati
Turks and Caicos Islands
Korea, Dem. Rep.
Uganda 37
Korea, Rep.
United Arab Emirates
Kosovo
United States
Kuwait
Uzbekistan
Kyrgyz Republic
Venezuela, RB
Lao PDR
Virgin Islands (U.S.)
Latvia
Yemen, Rep.
Lebanon
Zimbabwe 21

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