Country name 1980 1981 1982 1983 1984
Costa Rica 20 21 22 23 21
Ethiopia 96
Mozambique
Algeria
Turkmenistan
American Samoa
Serbia
Andorra
Macao SAR, China
Angola
Papua New Guinea
Antigua and Barbuda
St. Vincent and the Grenadines 18
Argentina
Zambia 45
Armenia
Marshall Islands
Aruba
Niger
Australia
Romania
Austria
Somalia
Azerbaijan
Tanzania
Bahamas, The
Uruguay
Bahrain
Libya
Bangladesh
Malaysia
Barbados
Albania
Belarus
Netherlands 8
Belgium 17 18
Oman
Belize
Poland
Benin
San Marino
Bermuda
Sint Maarten (Dutch part)
Bhutan
Sri Lanka
Bolivia
Sweden
Bosnia and Herzegovina
Tonga
Botswana 54
Ukraine
Brazil
Vietnam
Brunei Darussalam
Lesotho
Bulgaria
Lithuania
Burkina Faso
Madagascar
Burundi
Mali
Cabo Verde
Mauritius
Cambodia
Montenegro
Cameroon
Namibia
Canada
New Zealand
Cayman Islands
Northern Mariana Islands
Central African Republic
Palau
Chad
Peru
Chile
Puerto Rico
China
Rwanda
Colombia
Saudi Arabia
Comoros
Sierra Leone
Congo, Dem. Rep.
Slovenia
Congo, Rep.
South Sudan
Afghanistan
St. Lucia
Cote d'Ivoire
Suriname
Croatia
Syrian Arab Republic
Cuba
Timor-Leste
Curacao
Tunisia
Cyprus
Tuvalu
Czech Republic
United Kingdom
Denmark 8
Vanuatu
Djibouti
West Bank and Gaza
Dominica
Middle East (developing only)
Dominican Republic
Liberia
Ecuador
Liechtenstein
Egypt, Arab Rep.
Luxembourg 9 9
El Salvador
Macedonia, FYR
Equatorial Guinea 78
Malawi
Eritrea
Maldives
Estonia
Malta
Micronesia, Fed. Sts.
Mauritania
Monaco
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
Guam 3
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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