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

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