Country name 1985 1986 1987 1988 1989
Djibouti 0
Tanzania 0 0 0 0
Cambodia 0 0 1
Rwanda 0 0 0 0 0
Malawi 0 0 0 0 0
Burkina Faso 1 1 1 1 1
Burundi 1 1 1 1 1
Ethiopia 1 1 1 1
Oman 0 1 2 3 3
Uganda 1 1 1 1 1
Mauritius 1 1 1 2 2
Haiti 1
Mali 1 1 1 1
Central African Republic 1 1 1 1 1
Lesotho 1 1 2 2 2
Lao PDR 1 1 1
Congo, Dem. Rep. 1 1 2 2 2
Papua New Guinea 2 2
Vietnam 2 3
Sierra Leone 1 2 2 2
Guinea 2 2 2 1 1
Zimbabwe 2 2 6
Botswana 2 2 2
Afghanistan 2 2
Zambia 2 2 2 2
Benin 2 2 2 2 2
Senegal 2 3
Luxembourg 3 3 2
Mauritania 2 3 3 3 3
Guyana 3 3 4
Pakistan 3 3 3
Brunei Darussalam 3 4
China 2 3 3 3 3
Fiji 3 3 5
Nigeria 3 4 3 4 4
Sri Lanka 4 4
Swaziland 4 4 4 4
Madagascar 4 4 4 4 4
Myanmar 5 4 6 5 5
St. Kitts and Nevis 1 5 6 5
Cyprus 4 5 5 7 8
Bangladesh 5 5 4 4 4
Nepal 3 5 5 6 6
Malta 5 5 5 6 7
Trinidad and Tobago 4 5 6 6 7
Tunisia 5 6 5 6 7
Congo, Rep. 6 6 6 6 5
India 6 6 6 5 6
St. Vincent and the Grenadines 6 7
Suriname 7 6 8 9 10
Indonesia 6 6 8 7 8
Malaysia 6 7 7 7 7
Albania 7 7 7 7 8
Guatemala 7 7
Nicaragua 8 7 7
Morocco 8 8 9 10
United Arab Emirates 7 8 8 8 7
Paraguay 9 9 8 8 8
Saudi Arabia 9 10 9 9
Turkey 9 10 10 11 12
Iraq 10 11 11 11 12
Colombia 11 12 12 13 14
Bahrain 12 13 10 13
Portugal 14 13 16
Romania 15 13 11 9 8
Uzbekistan 15 16 16
Mexico 16 15 16 15
El Salvador 15 16 16 16
Kuwait 15 16 16 16 15
Hungary 16 16 16 15 15
Czech Republic 16 16 16 16 16
Chile 15 17 18 19
Croatia 17
Poland 17 17 18 19 20
Bahamas, The 15 17 19 21
Syrian Arab Republic 17 17 17 19 18
Armenia 18 19 20
Egypt, Arab Rep. 18 18 18 18 15
Dominican Republic 18
Qatar 17 19 18 18 19
Bulgaria 17 19 21 23 25
Thailand 21 19 15
Jordan 20 19 21 19 21
Cuba 18 20 22 23 22
Slovenia 19 20 21 21 21
Tajikistan 20 21 21
Iceland 21 21 22 22 23
Switzerland 21 22 23 23 24
United Kingdom 21 22 23 24 25
Estonia 22 22 23
Turkmenistan 22 12 12
Macedonia, FYR 23 22 21 20 19
Costa Rica 21 23 24 25 26
Ireland 22 23 24 25 27
Latvia 24 23 23 24 24
Mongolia 24 23 23 22 20
Greece 23 24 26 25 24
Azerbaijan 24 25 24
Venezuela, RB 21 25 24 25 26
Philippines 28 25 23 25 26
Italy 26 26 25 27 28
Peru 22 26 27 29 30
Austria 25 26 27 29 30
Panama 24 27 23 21 20
Kyrgyz Republic 28 28 28
Japan 29 28 28 29 30
Spain 27 29 30 32 34
Denmark 29 29 30 31 32
France 29 29 30 31 34
Australia 28 29 29 31 32
Norway 30 30 32 32 34
Lebanon 26 30 32
Sweden 31 30 30 30 30
Lithuania 32 32
Belgium 31 32 33 34 36
Netherlands 31 32 32 33 33
Moldova 33 35 35
Korea, Rep. 32 34 35 36 36
Finland 32 34 36 38 41
New Zealand 32 35 36 40 43
Israel 35 35 34 33
Argentina 36 38 39
Kazakhstan 39 41 41
Belarus 44 45 46 47 47
Ukraine 47 48 49 49
Russian Federation 52 54 56 56 56
United States 58 59 62 65 67
Canada 70 83
Somalia 3
Angola 1 1
Montenegro
Liberia 3
Ghana
Cabo Verde
Mozambique 0 0
Sint Maarten (Dutch part)
Germany
Curacao
Namibia
Iran, Islamic Rep.
Georgia
Greenland
Tuvalu
New Caledonia
Hong Kong SAR, China
Marshall Islands
Liechtenstein
Gambia, The
South Sudan
Niger 1 1 1
St. Lucia 3 3 3
Gabon 6 6 5
Comoros
Monaco
Cayman Islands
Northern Mariana Islands
Grenada
Tonga 6
Andorra
Bosnia and Herzegovina
French Polynesia
Kenya 1 1 2
Palau
Micronesia, Fed. Sts.
Antigua and Barbuda
Singapore
Maldives
Slovak Republic
Guam
Solomon Islands
Guinea-Bissau 1
South Africa 11 12
Honduras 9 8 9 9
Libya 10
West Bank and Gaza
Cote d'Ivoire 2 3
Uruguay 30
St. Martin (French part)
Isle of Man
Sudan
Macao SAR, China 25 26
Chad 0 1
Equatorial Guinea
Kiribati
Algeria 9 9
Taiwan, China
Timor-Leste
American Samoa
Cameroon 2 2 3 3
Samoa
Togo 2 2 2
San Marino
Korea, Dem. Rep.
Sao Tome and Principe
Brazil
Ecuador 32 29 25
Turks and Caicos Islands
Bhutan
Bolivia 20
Dominica 1 1
Serbia
Bermuda
Seychelles
Vanuatu
Belize
Eritrea
Jamaica 5 5
Faeroe Islands
Virgin Islands (U.S.)
Aruba
Yemen, Rep.
Puerto Rico
Barbados 20 17

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