Country name 1986 1987 1988 1989 1990
Djibouti 0
Tanzania 0 0 0
Cambodia 0 1 1
Rwanda 0 0 0 0 1
Malawi 0 0 0 0 1
Burkina Faso 1 1 1 1 1
Burundi 1 1 1 1 1
Ethiopia 1 1 1 1 1
Oman 1 2 3 3 4
Uganda 1 1 1 1 1
Mali 1 1 1 1
Mauritius 1 1 2 2 3
Haiti 1
Central African Republic 1 1 1 1 1
Lesotho 1 2 2 2 1
Lao PDR 1 1 1
Congo, Dem. Rep. 1 2 2 2 2
Papua New Guinea 2
Vietnam 2 3 3
Sierra Leone 2 2 2 2
Guinea 2 1 1 1 1
Zimbabwe 2 6 5
Botswana 2 2
Afghanistan 2 2 2
Zambia 2 2 2 2 2
Benin 2 2 2 2 2
Senegal 3
Luxembourg 3 2
Mauritania 3 3 3 3 3
Guyana 3 4 6
Brunei Darussalam 3 4
Pakistan 3 3 3 3
China 3 3 3 3 3
Fiji 3 5
Nigeria 4 3 4 4
Sri Lanka 4
Swaziland 4 4 4 4
Madagascar 4 4 4 4 3
Myanmar 4 6 5 5 5
St. Kitts and Nevis 5 6 5
Nepal 5 5 6 6 5
Cyprus 5 5 7 8 9
Bangladesh 5 4 4 4 4
Malta 5 6 6 7 11
Trinidad and Tobago 5 6 6 7
Tunisia 6 5 6 7 8
Congo, Rep. 6 6 6 5 5
India 6 6 6 6 6
St. Vincent and the Grenadines 6 7 6
Indonesia 6 8 7 8 8
Suriname 7 8 9 10 10
Malaysia 7 7 7 7 7
Guatemala 7
Albania 7 7 8 8 8
Nicaragua 8 7 8
Morocco 8 8 9 9 10
United Arab Emirates 8 8 8 7 7
Paraguay 9 8 8 8 8
Saudi Arabia 10 9 9 9
Turkey 10 10 11 12 13
Romania 11 10 9 9 8
Iraq 11 11 11 12
Colombia 12 12 13 13 14
Bahrain 13 10 13
Portugal 13 16 20
Uzbekistan 15 16 16 17
Mexico 16 16 16 16 15
Kuwait 16 16 16 15 12
Hungary 16 16 15 15 15
Czech Republic 16 16 16 16 16
El Salvador 16 16 17 16
Croatia 16 21
Poland 17 17 18 20 20
Chile 17 18 18
Bahamas, The 17 19 21
Syrian Arab Republic 17 17 19 18 18
Armenia 18 19 20 23
Qatar 19 18 18 19 20
Egypt, Arab Rep. 19 19 18 16 15
Dominican Republic 19
Bulgaria 19 21 23 25 26
Thailand 19 15 16
Jordan 19 21 19 21 20
Cuba 20 22 23 22 21
Slovenia 20 21 21 21 23
Tajikistan 20 21 21 22
Iceland 21 22 22 23 26
United Kingdom 22 23 23 24 26
Switzerland 22 23 23 24 26
Macedonia, FYR 22 20 19 18 17
Estonia 22 22 23 25
Turkmenistan 22 12 12 12
Ireland 23 24 26 27 27
Costa Rica 23 25 25 26 27
Venezuela, RB 23 23 24 25 27
Latvia 23 23 24 24 25
Mongolia 23 23 22 20 18
Greece 24 26 25 24 25
Azerbaijan 24 25 24 23
Philippines 25 23 25 26 25
Peru 25 26 28 30 30
Italy 26 25 26 28 30
Panama 27 23 21 20 21
Austria 27 28 29 31 33
Kyrgyz Republic 28 28 28 27
Japan 28 28 29 30 30
Spain 29 30 32 34 36
Denmark 29 30 31 32 34
Australia 29 29 31 32 35
France 30 30 31 34 37
Norway 30 32 32 34 38
Lebanon 30 32
Sweden 30 30 30 30 31
Lithuania 32 32 33
Netherlands 32 31 32 33 35
Belgium 32 33 34 36 38
Moldova 33 35 35 35
Korea, Rep. 34 35 36 36 37
Finland 34 36 38 41 45
New Zealand 35 36 40 43 39
Israel 35 35 34 33 34
Argentina 38 39
Kazakhstan 38 40 40 39
Belarus 45 46 47 47 49
Ukraine 48 49 49 49
Russian Federation 54 56 56 56 55
United States 59 62 64 67 71
Canada 70 83 90
Dominica 1
Montenegro
Bolivia 20
South Sudan
Micronesia, Fed. Sts.
Mozambique 0
Tuvalu
Isle of Man
Curacao
Namibia
St. Lucia 3 3
Iran, Islamic Rep.
Maldives
Kenya 1 2
Belize
New Caledonia
Monaco
Kiribati
Sint Maarten (Dutch part)
Hong Kong SAR, China
Somalia 3
Niger 1 1 1
Comoros 1
Honduras 8 9 9 9
Cayman Islands
Northern Mariana Islands
Guinea-Bissau 0
Brazil
Guam
Jamaica 5 5
Grenada
Libya 11
Palau
Liechtenstein
Greenland
Seychelles
Ghana
Singapore
Germany
Slovak Republic
Georgia
Solomon Islands
Gambia, The
South Africa 11 12 12
Gabon 6 6 5 5
Cote d'Ivoire 3
French Polynesia
Chad 1
Puerto Rico
St. Martin (French part)
Marshall Islands
Sudan
Faroe Islands
Cameroon 2 3 3 3
Korea, Dem. People’s Rep.
Cabo Verde
Timor-Leste
Bosnia and Herzegovina
Tonga
Bhutan
Vanuatu
Togo 2 2 2 2
Andorra
Bermuda
West Bank and Gaza
Liberia 3
American Samoa
Turks and Caicos Islands
Macao SAR, China 25 26 29
Barbados 17 17
Serbia
Aruba
Uruguay 30 30
Eritrea
Samoa
Antigua and Barbuda
San Marino
Angola 1 1 1
Sao Tome and Principe
Virgin Islands (U.S.)
Equatorial Guinea
Yemen, Rep.
Ecuador 28 25 20
Algeria 9 9 10

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