Country name 1980 1981 1982 1983 1984
Sao Tome and Principe 19 18 33 27 27
Thailand 18 23 25 25 24
Romania 27 27 27 27 27
Sri Lanka 28
Malaysia 36 37 42 42 44
Korea, Rep. 37 38 42 44 46
Haiti 39 40 38 38
Greece 40 43 43 44
Hungary 45 41 41 42 43
Portugal 40 41 42 46 48
Cyprus 43 44 46 48 50
Hong Kong SAR, China 43 45 47 50 49
Philippines 48 49 48 47 51
San Marino 51 52 54 55 57
Bolivia 53 54 57 56 57
Italy 56 58 60 61 63
Japan 58 59 60 60 60
Guatemala 59 59
Singapore 59 59 61 63 63
Spain 60 62 64 64 66
Finland 65 66 68 69 70
Brazil 67 68 67 69
Egypt, Arab Rep. 69 68 72 41 37
Trinidad and Tobago 70 69 71 74 74
France 71 72 73 73 74
Switzerland 72 72 73 74 75
Barbados 72 73 73 73
Costa Rica 74 74 73 73 70
Puerto Rico 75 75 75 75 76
United Kingdom 76 78 79 80 80
Australia 79 79 80 80 81
Denmark 80 80 81
United States 80 80 81 82 82
Israel 79 80 81 82 81
Venezuela, RB 79 81 80 82 82
Norway 80 81 82 83 84
Belgium 80 81 82 82 82
Canada 81 82 83 83 83
Sweden 81 82 82 83 83
Chile 81 83 86 86 84
Netherlands 84 84
Bahrain 93 93
China
Colombia 74
Mali
Comoros
Congo, Dem. Rep.
Monaco
Congo, Rep.
Pakistan
Sierra Leone
Rwanda
Cote d'Ivoire
Algeria
Croatia
Tuvalu
Cuba
Mauritius
New Caledonia
Mozambique
Curacao
Cameroon
Nigeria 67
Czech Republic
Paraguay 86 84 83
Cambodia
Djibouti
Saudi Arabia
Dominica
Somalia
Timor-Leste
St. Vincent and the Grenadines
Dominican Republic
Ecuador
Tunisia 20
Cabo Verde
Angola
El Salvador 69
Marshall Islands
Equatorial Guinea 8
Micronesia, Fed. Sts.
Eritrea
Montenegro
Estonia
Namibia
Ethiopia
Faeroe Islands
Nicaragua
Fiji
Central African Republic
Burundi
Panama 81 82 84
Burkina Faso
Bangladesh 15
French Polynesia
Andorra
Gabon
Azerbaijan
Gambia, The
Serbia
Georgia
Chad
Germany
South Sudan
Ghana
St. Lucia
Syrian Arab Republic 37 39
Suriname
Bulgaria
Greenland
Tanzania
Grenada
Tonga 84
Guam
Turkmenistan
Brunei Darussalam
Cayman Islands
Guinea
Maldives
Guinea-Bissau
Malta
Guyana
Mauritania
Botswana
Mexico
Honduras
Moldova
Bosnia and Herzegovina
Mongolia
Bhutan
Morocco
Iceland
Myanmar
India
Nepal
Indonesia 33 32
Iran, Islamic Rep.
New Zealand
Iraq
Niger
Ireland 75 76
Northern Mariana Islands
Isle of Man
Oman
Bermuda
Palau
Benin
Papua New Guinea
Jamaica
Peru
Bahamas, The
Poland
Belize
Jordan 88
Qatar
Kazakhstan
Russian Federation
Kenya
Samoa
Kiribati
American Samoa
Korea, Dem. Rep.
Senegal
Sint Maarten (Dutch part)
Seychelles
Slovenia
Austria 66 67
Uzbekistan
Slovak Republic
Ukraine
Solomon Islands
Belarus
South Africa
West Bank and Gaza
Aruba
Zambia
St. Kitts and Nevis 66
Afghanistan
St. Martin (French part)
Lesotho
Sudan
Liberia
Swaziland
Libya
Armenia
Liechtenstein
Tajikistan
Lithuania
Albania
Luxembourg 83 84
Togo
Macao SAR, China
Argentina
Macedonia, FYR
Turkey 60 64 63
Madagascar
Turks and Caicos Islands
Malawi
Uganda
Antigua and Barbuda
United Arab Emirates
Vietnam
Kosovo
Uruguay 78
Kuwait 98
Vanuatu
Kyrgyz Republic
Lao PDR
Virgin Islands (U.S.)
Latvia
Yemen, Rep.
Lebanon
Zimbabwe

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