Country name 1986 1987 1988 1989 1990
Indonesia 8 8 8 14 15
Nigeria 9
Bangladesh 10 11
Thailand 12 13 13 14 15
Bolivia 13 13 13 34 35
Philippines 14 16 17 17 16
Panama 19
Jordan 20 18
Pakistan 20 22 21 21 21
Bahamas, The 22 22
Costa Rica 24 25 24 26 27
Malaysia 24 23 23 25 27
Chile 25 27 30 31 30
Puerto Rico 26 27 27 27 27
Barbados 27 27 29 31 29
Brazil 29 30 29 29 28
Venezuela, RB 30 31 30 30
Ireland 33 32 32 32 33
El Salvador 33 35 32 35
Colombia 33 35 34 34 35
Cyprus 33 32 32 31 31
Greece 34 34 33 33 33
Canada 34 35 35 35 35
Singapore 36 35 36 37 40
Korea, Rep. 36 37 38 38 39
Australia 36 35 35 35 34
Paraguay 36 34 34 36 36
New Zealand 37 35 34 34 33
Uruguay 37 41 40 41 40
Italy 37 37 37 37 37
Israel 37 37 36 36 36
United States 37 37 37 36 36
Denmark 38 38 36 36 37
Norway 38 38 37 36 35
Trinidad and Tobago 38 37 35 34 34
Belgium 38 37 40 40 40
Spain 38 39 40 41 41
Japan 39 38 39 39 39
France 40 40 39 39 39
United Kingdom 40 40 44 44 44
Portugal 40 41 42 42 41
Finland 42 41 41 41 42
Hong Kong SAR, China 42 42 42 40 39
Hungary 43 43 43 43 43
Sweden 44 44 43 43 43
Switzerland 44 43 43 42 41
Luxembourg 44 44 43 43 42
Austria 49 49 49 49 49
Romania 51 52 51 51 49
San Marino 52 52 52 52 52
Mauritius 40
Bermuda
Czech Republic 54
Djibouti
Niger
Dominica 34
Congo, Dem. Rep.
Dominican Republic
Mozambique
Ecuador 30
Papua New Guinea
Egypt, Arab Rep. 25 24
Sri Lanka
Belarus
Mali
Equatorial Guinea
Monaco
Eritrea
Netherlands 35 35 35 35
China
Oman
Sint Maarten (Dutch part)
Poland
Estonia 42 42
Ethiopia
Serbia
Faeroe Islands
Somalia
Fiji 50
St. Vincent and the Grenadines
Croatia
Benin
Chad
Marshall Islands
French Polynesia
Micronesia, Fed. Sts.
Gabon
Montenegro
Gambia, The
Curacao
Georgia
Brunei Darussalam
Germany
Northern Mariana Islands 47
Ghana
Palau
Bahrain
Peru 36 32
Greenland
American Samoa 43
Grenada 30
Rwanda 5
Guam
Saudi Arabia
Guatemala 16 17 34
Sierra Leone
Guinea
Slovenia
Guinea-Bissau
South Sudan
Guyana
St. Lucia
Haiti 9 9
Suriname 27
Honduras 15
Cuba
Cote d'Ivoire
Maldives 19
Belize
Malta
Iceland
Mauritania
India
Mexico 30
Azerbaijan
Moldova
Iran, Islamic Rep.
Mongolia
Iraq
Morocco 32
Namibia
Myanmar
Isle of Man
Nepal
Cabo Verde
New Caledonia
Burundi
Nicaragua
Jamaica
Argentina 39
Central African Republic
Cayman Islands
Burkina Faso
Antigua and Barbuda
Kazakhstan
Angola
Kenya
Bosnia and Herzegovina
Kiribati
Andorra
Korea, Dem. Rep.
Congo, Rep.
Bulgaria
Qatar
Uzbekistan
Russian Federation
Aruba
Samoa
West Bank and Gaza
Sao Tome and Principe
Zambia 15
Senegal
Afghanistan
Seychelles
Lesotho
Algeria
Liberia
Slovak Republic
Libya
Solomon Islands
Liechtenstein
South Africa
Lithuania
Bhutan
Syrian Arab Republic 30
St. Kitts and Nevis
Tanzania
St. Martin (French part)
Timor-Leste
Sudan
Tonga
Swaziland
Tunisia 31
Comoros
Turkmenistan
Tajikistan
Tuvalu
Albania
Ukraine
Togo
Cambodia
Cameroon
Armenia
Turkey 27 26 26
Botswana
Turks and Caicos Islands
Madagascar
Uganda
Malawi
United Arab Emirates
Macao SAR, China 41 37
Macedonia, FYR
Kuwait 33
Vietnam
Vanuatu
Kyrgyz Republic
Lao PDR
Virgin Islands (U.S.)
Latvia
Yemen, Rep.
Lebanon
Zimbabwe

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