Country name 1985 1986 1987 1988 1989
Korea, Rep. 0 0 0 0 0
Malaysia 0 0 0 0
Seychelles 0 0 0 0 0
Sweden 0 0 0
Japan 0 0 0 0 0
Denmark 0 0 0 0 0
Papua New Guinea 0 0 0
Norway 0 0 0 0 0
Greece 0 0 0 0 0
Finland 0 0 0
Cyprus 0 0 0 0 0
Italy 1 1 1 1 1
Kiribati 3 2 1 2 1
Bulgaria 1 1 1 2
Switzerland 2 2 2 2 2
Philippines 1 2 2 2 2
Malta 1 2 2 2 2
Hungary 3 3 3 3 2
New Zealand 3 3 3 3 3
Jamaica 3 3 3
India 4 4
Tanzania 1 5 6 5
Kuwait 6 5 5
Spain 4 4 5 2 4
Botswana 6 5 5 5 5
Guyana 5
Algeria 6 6 5 5 5
United Arab Emirates 6 5 6 5 5
Jordan 5 6 6 5
Syrian Arab Republic 7 7 6 6 6
Ecuador 6 6
Sri Lanka 9 7 8 6
Qatar 8 6 8 5 4
Turkey 9 8 8 8 8
Uruguay 9 8 8 7 7
Paraguay 9 8 8 8 8
El Salvador 8 8 9
Oman 9 9 9 10 10
Costa Rica 9 8 9 9 10
Bahrain 7 9 9 9 8
Mauritius 6 6 9 8 8
Iran, Islamic Rep. 9 9 9
Panama 11 10 9 9 8
Ethiopia 11 13 11
Colombia 17 17 12 12 12
Rwanda 12 12 13 10 10
Swaziland 12 13 13 13 13
Nicaragua 15 13 14 15
Belgium 16 15 14 15
Gambia, The 11 15 15 16
Niger 15 15 15 13
New Caledonia 15 15 15 15 15
Burkina Faso 15 16 17 18
Morocco 20 18 17 15 14
Burundi 16 18 17 18 24
Malawi 14 16 18 19 18
Iraq 21 19 19 17 16
Suriname 20 20 21 20
Tunisia 19 19 20 21 20
Lesotho 21 22 21 20 20
Mauritania 19 20 22 21 21
Cabo Verde 29 26 26 22
Mozambique 24 26 26 30 28
Cote d'Ivoire 28 28 27 25 26
Benin 27 28 27 27 27
Guinea 26 31 27 27 24
Cameroon 28 28 28 28
Mali 30 28 30
Congo, Rep. 32 29 31 30 34
Central African Republic 29 35 34 34
Gabon 35 31 33
Togo 38 36 36 32 38
Comoros 33 36
Guinea-Bissau 42 43
Northern Mariana Islands
Grenada
Guam
Barbados
Guatemala
Greenland
French Polynesia
Peru
Azerbaijan
Sierra Leone
Dominica 5
Aruba
Haiti 13 9
Zambia 2
Honduras
Palau
Hong Kong SAR, China 2
Puerto Rico
Djibouti
Saudi Arabia
Iceland
Egypt, Arab Rep. 1
Czech Republic
St. Vincent and the Grenadines
Indonesia
Tajikistan
Curacao
Vietnam
Cuba
Brazil
Ireland
Bolivia
Isle of Man
Bermuda
Israel
Poland
Croatia
Romania
France
San Marino
Georgia
Serbia
Congo, Dem. Rep. 21
Germany
Kazakhstan
South Sudan
Kenya
St. Lucia
Dominican Republic
Austria
Angola
Argentina
Ghana
Thailand
Korea, Dem. Rep.
Albania
Turkmenistan
China
Chile
Vanuatu
Kyrgyz Republic
West Bank and Gaza
Lao PDR
Faeroe Islands
Latvia
Nigeria
Lebanon
Bosnia and Herzegovina
Afghanistan 5
Pakistan
Liberia
Bhutan
Libya
Equatorial Guinea
Liechtenstein
Belize
Lithuania
Portugal 15
Luxembourg
Belarus
Macao SAR, China
Russian Federation
Macedonia, FYR
Samoa
Madagascar 31 33
Sao Tome and Principe 35
Chad 35 34
Senegal 16 17 15 16
Sint Maarten (Dutch part)
Bangladesh
Slovenia
Singapore
Maldives
Slovak Republic
Somalia
Solomon Islands 7
Cayman Islands
South Africa
Marshall Islands
Bahamas, The
Eritrea
St. Kitts and Nevis
Canada
St. Martin (French part)
Mexico
Sudan
Micronesia, Fed. Sts.
Australia
Moldova
Armenia
Monaco
Taiwan, China
Mongolia
Antigua and Barbuda
Tonga 7 5
Timor-Leste
Montenegro
Tuvalu
Trinidad and Tobago 5 3
Fiji 2 2
Andorra
United Kingdom
Turks and Caicos Islands
Ukraine
Uganda 14
Myanmar
American Samoa
Namibia
United States
Nepal
Uzbekistan
Netherlands 2
Venezuela, RB 8 8
Cambodia
Virgin Islands (U.S.)
Estonia
Yemen, Rep.
Brunei Darussalam 6
Zimbabwe

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