Country name 1986 1987 1988 1989 1990
Seychelles 0 0 0 0
Japan 0 0 0 0 0
Norway 0 0 0 0 0
Denmark 0 0 0 0 0
Korea, Rep. 0 0 0 0 0
Greece 0 0 0 0
Cyprus 0 0 0 0 0
Italy 1 1 1 1 1
Bulgaria 1 1 1 2 2
Tanzania 1 5 6 5 5
Egypt, Arab Rep. 1
Switzerland 2 2 2 2 2
Kiribati 2 1 2 1 1
Philippines 2 2 2 2
Zambia 2
Fiji 2
Malta 2 2 2 2 1
Hungary 3 3 3 2 2
New Zealand 3 3 3 3 3
Spain 4 5 2 4 3
Tonga 5 4
Botswana 5 5 5 5 5
Kuwait 5 5
United Arab Emirates 5 6 5 5 5
Algeria 6 5 5 5 5
Mauritius 6 9 8 8 5
Qatar 6 8 5 4 4
Brunei Darussalam 6
Sri Lanka 7 8 6 7
Syrian Arab Republic 7 6 6 6 7
Solomon Islands 7
Turkey 8 8 8 8 7
Paraguay 8 8 8 8 7
Costa Rica 8 9 9 10
Uruguay 8 8 7 7 8
Bahrain 9 9 9 8
Haiti 9
Oman 9 9 10 10 9
Panama 10 9 9 8
Rwanda 12 13 10 10 11
Nicaragua 13 14 15
Swaziland 13 13 13 13 13
Uganda 14
Gambia, The 15 15 16
Belgium 15 14 15
Niger 15 15 13 14
Malawi 16 18 19 18 19
Senegal 17 15 16 16
Colombia 17 12 12 12 9
Burundi 18 17 18 24 22
Morocco 18 17 15 14 12
Iraq 19 19 17 16
Tunisia 19 20 21 20 19
Mauritania 20 22 21 21 21
Lesotho 22 21 20 20 19
Cabo Verde 26 26 22 17
Mozambique 26 26 30 28 27
Benin 28 27 27 27 25
Cote d'Ivoire 28 27 25 26 26
Cameroon 28 28 28 27
Central African Republic 29 35 34 34 32
Congo, Rep. 29 31 30 34 38
Guinea 31 27 27 24 21
Comoros 33 36
Togo 36 36 32 38 35
Nepal
Singapore
French Polynesia
Antigua and Barbuda
Gabon 35 31 33
El Salvador 8 8 9
Dominican Republic
Argentina
Georgia
Samoa
Germany
Andorra
Ghana
France
Barbados
Finland 0 0 0 0
Greenland
Chad 35 34 35
Grenada
Burkina Faso 16 17 18 18
Guam
Canada
Guatemala
Bermuda
Belarus
St. Martin (French part)
Congo, Dem. Rep. 21
Tajikistan
Guinea-Bissau 42 43
Mongolia
Guyana 5
Myanmar
Dominica 5
New Caledonia
Honduras
Nigeria
Hong Kong SAR, China
Pakistan
Bangladesh
Equatorial Guinea
Iceland
Portugal 12
India 4 4
Russian Federation
Indonesia
Sao Tome and Principe 35
Iran, Islamic Rep. 9 9 9 8
Angola
Djibouti
Slovak Republic
Ireland
South Africa
Isle of Man
St. Kitts and Nevis
Israel
Sudan
Belize
American Samoa
Jamaica 3 3 3 3
Thailand
Bahamas, The
Monaco
Jordan 6 6 5 5
Montenegro
Kazakhstan
Eritrea
Kenya
Namibia
Azerbaijan
Netherlands
Korea, Dem. People’s Rep.
Armenia
Austria
China
Vanuatu
Northern Mariana Islands
Vietnam
Chile
West Bank and Gaza
Palau
Australia
Papua New Guinea 0 0 0 0
Afghanistan
Peru
Czech Republic
Poland
Ethiopia 11 13 11
Puerto Rico
Turks and Caicos Islands
Romania 1
Curacao
Cayman Islands
Albania
San Marino
Cambodia
Saudi Arabia
Cuba
Serbia
Bolivia 3
Sierra Leone
Madagascar 31 33 33
Sint Maarten (Dutch part)
Croatia
Slovenia
Malaysia 0 0 0
Somalia
Maldives
South Sudan
Mali 28 30
Brazil
Aruba
St. Lucia 0
Marshall Islands
St. Vincent and the Grenadines
Estonia
Suriname 20 21 20
Ecuador 6 6
Sweden 0 0 0 0
Mexico
Bhutan
Micronesia, Fed. Sts.
Bosnia and Herzegovina
Faroe Islands
Timor-Leste
Moldova
United Kingdom
Trinidad and Tobago 3
Liberia
Libya
Turkmenistan
Liechtenstein
Tuvalu 0
Lithuania
Ukraine
Luxembourg
Macao SAR, China 6
United States
Macedonia, FYR
Uzbekistan
Kyrgyz Republic
Venezuela, RB 8 8
Lao PDR
Virgin Islands (U.S.)
Latvia
Yemen, Rep.
Lebanon
Zimbabwe

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