Country name 1980 1981 1982 1983 1984
Costa Rica 20 21 22 23 21
Ethiopia 96
Myanmar
American Samoa
Turkmenistan
Andorra
Seychelles
Angola
Macedonia, FYR
Antigua and Barbuda
Paraguay
Argentina
Sudan
Armenia
Zambia 45
Aruba
Mauritania
Australia
Nigeria
Austria
Russian Federation
Azerbaijan
South Africa
Bahamas, The
Tanzania
Bahrain
Uruguay
Bangladesh
Liechtenstein
Barbados
Maldives
Belarus
Mongolia
Belgium 17 18
New Caledonia
Belize
Pakistan
Benin
Portugal
Bermuda
Sao Tome and Principe
Bhutan
Slovak Republic
Bolivia
St. Kitts and Nevis
Bosnia and Herzegovina
Switzerland
Botswana 54
Tonga
Brazil
Ukraine
Brunei Darussalam
Vietnam
Bulgaria
Liberia
Burkina Faso
Luxembourg 9 9
Burundi
Malawi
Cabo Verde
Malta
Cambodia
Algeria
Cameroon
Morocco
Canada
Nepal
Cayman Islands
Nicaragua
Central African Republic
Norway
Chad
Panama 32 28 30
Chile
Philippines
China
Qatar
Colombia
Samoa
Comoros
Senegal
Congo, Dem. Rep.
Singapore
Congo, Rep.
Solomon Islands
Albania
Spain
Cote d'Ivoire
St. Martin (French part)
Croatia
Swaziland
Cuba
Taiwan, China
Curacao
Timor-Leste
Cyprus
Tunisia
Czech Republic
Tuvalu
Denmark 8
United Kingdom
Djibouti
Vanuatu
Dominica
West Bank and Gaza
Dominican Republic
Afghanistan
Ecuador
Libya
Egypt, Arab Rep.
Lithuania
El Salvador
Macao SAR, China
Equatorial Guinea 78
Madagascar
Eritrea
Malaysia
Estonia
Mali
Mexico
Marshall Islands
Moldova
Mauritius
Faeroe Islands
Micronesia, Fed. Sts.
Fiji
Monaco
Finland
Montenegro
France 13 13
Mozambique
French Polynesia
Namibia
Gabon
Netherlands 8
Gambia, The
New Zealand
Georgia
Niger
Germany 8 8
Northern Mariana Islands
Ghana
Oman
Greece 46 46
Palau
Greenland
Papua New Guinea
Grenada
Peru
Guam 3
Poland
Guatemala
Puerto Rico
Guinea
Romania
Guinea-Bissau
Rwanda
Guyana
San Marino
Haiti
Saudi Arabia
Honduras
Serbia
Hong Kong SAR, China
Sierra Leone
Hungary
Sint Maarten (Dutch part)
Iceland
Slovenia
India
Somalia
Indonesia
South Sudan
Iran, Islamic Rep.
Sri Lanka
Iraq
St. Lucia
Ireland 21 21
St. Vincent and the Grenadines 18
Isle of Man
Suriname
Israel
Sweden
Italy 28 29
Syrian Arab Republic
Jamaica
Tajikistan
Japan
Thailand
Jordan
Togo
Kazakhstan
Trinidad and Tobago
Kenya
Turkey
Kiribati
Turks and Caicos Islands
Korea, Dem. Rep.
Uganda
Korea, Rep.
United Arab Emirates
Kuwait
United States
Kyrgyz Republic
Uzbekistan
Lao PDR
Venezuela, RB
Latvia
Virgin Islands (U.S.)
Lebanon
Yemen, Rep.
Lesotho
Zimbabwe

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