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