Country name 1986 1987 1988 1989 1990
Puerto Rico 0 0 0 0 0
Singapore 1 1 0 0 0
El Salvador 1 3 4 3
Colombia 1 1 1 1 1
United Kingdom 1 1 1 1 1
Paraguay 1 1 1 1 1
United States 1 1 1 1 1
Hong Kong SAR, China 1 1 1 1 1
Bahamas, The 2 2
Jordan 2 4
Belgium 2 2 2 2 2
Venezuela, RB 2 2 2 2
Israel 3 3 2 2 2
Sweden 3 2 2 2 2
Denmark 3 3 3 3 3
Canada 3 3 3 3 3
San Marino 3 3 3 3 3
Luxembourg 4 4 3 3 3
Panama 4
Ireland 4 4 3 3 4
Australia 4 4 4 4 4
Switzerland 5 4 4 4 4
Chile 5 6 6 6 6
Norway 5 4 4 4 4
Costa Rica 6 6 7 6 6
France 6 5 5 5 5
Barbados 8 7 7 7 6
Trinidad and Tobago 8 7 9 8 6
New Zealand 8 8 7 7 8
Finland 8 8 7 7 7
Japan 10 10 9 9 9
Austria 10 10 9 9 9
Bangladesh 11 72
Italy 12 11 10 10 9
Spain 14 13 12 11 10
Brazil 15 15 15 14 13
Hungary 16 16 16 15 15
Cyprus 20 19 18 17 16
Korea, Rep. 26 24 23 22 20
Portugal 27 27 25 23 21
Bolivia 29 28 28 1 0
Malaysia 33 31 30 28 25
Philippines 35 33 32 31 31
Romania 36 36 36 35 34
Greece 37 35 34 32 30
Nigeria 38
Indonesia 56 56 57 57 56
Thailand 68 65 68 68 65
Pakistan 78 76 72 72 72
Russian Federation
Curacao
Cayman Islands
Mexico 3
South Africa
Czech Republic 10
Cameroon
Cuba
Djibouti
Aruba
Dominica 13
Seychelles
Dominican Republic
Sudan
Ecuador 3
China
Egypt, Arab Rep. 63 52
Mongolia
Cambodia
Cote d'Ivoire
Equatorial Guinea
Eritrea
Armenia
Estonia 15 15
Sao Tome and Principe
Ethiopia
Slovak Republic
Faeroe Islands
St. Kitts and Nevis
Fiji 1
American Samoa 0
Cabo Verde
Turkey 78 78 76
Burundi
Mauritania
French Polynesia
Moldova
Gabon
Morocco 3
Gambia, The
Nicaragua
Georgia
Bahrain
Germany
Azerbaijan
Ghana
Central African Republic
Croatia
Congo, Rep.
Greenland
Samoa
Grenada 15
Senegal
Guam
Antigua and Barbuda
Guatemala 15 16 3
Solomon Islands
Guinea
Angola
Guinea-Bissau
St. Martin (French part)
Guyana
Swaziland
Togo
Tajikistan
Haiti 50 50
Honduras 6
Algeria
Burkina Faso
Congo, Dem. Rep.
Bulgaria
Marshall Islands
Iceland
Mauritius 14
India
Micronesia, Fed. Sts.
Myanmar
Monaco
Nepal
Montenegro
New Caledonia
Mozambique
Iran, Islamic Rep.
Namibia
Iraq
Netherlands 3 3 3 3
Brunei Darussalam
Belarus
Isle of Man
Niger
Botswana
Northern Mariana Islands 0
Bosnia and Herzegovina
Oman
Jamaica
Palau
Comoros
Papua New Guinea
Poland
Peru 1 1
Bhutan
Kazakhstan
Chad
Kenya
Qatar
Kiribati
Korea, Dem. Rep.
Rwanda 96
Bermuda
Argentina 0
Uzbekistan
Saudi Arabia
Benin
Serbia
West Bank and Gaza
Sierra Leone
Zambia 56
Sint Maarten (Dutch part)
Afghanistan
Slovenia
Lesotho
Somalia
Liberia
South Sudan
Libya
Sri Lanka
Liechtenstein
St. Lucia
Lithuania
St. Vincent and the Grenadines
Belize
Suriname 2
Macao SAR, China 0 0
Andorra
Macedonia, FYR
Syrian Arab Republic 47
Madagascar
Tanzania
Malawi
Timor-Leste
Turks and Caicos Islands
Tonga
Uganda
Tunisia 23
United Arab Emirates
Turkmenistan
Maldives 14
Tuvalu
Mali
Ukraine
Malta
Albania
Kuwait 0
Uruguay
Vietnam
Vanuatu
Kyrgyz Republic
Lao PDR
Virgin Islands (U.S.)
Latvia
Yemen, Rep.
Lebanon
Zimbabwe

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