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

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