Country name 1986 1987 1988 1989 1990
Afghanistan 25
Albania
Algeria 22 21 20 19 18
American Samoa 16 14 14 15 15
Andorra
Angola
Antigua and Barbuda
Argentina 8 7 7
Armenia
Aruba
Australia
Austria 11 11 11 10 10
Azerbaijan
Bahamas, The 19
Bahrain 19 18 17 15
Bangladesh 29 29 27 26 27
Barbados 17 20
Belarus
Belgium 8 7 7 7
Belize
Benin 28
Bermuda
Bhutan
Bolivia
Bosnia and Herzegovina
Botswana 19 19 17 18 17
Brazil
Brunei Darussalam 10
Bulgaria
Burkina Faso
Burundi 14 15 19 18
Cabo Verde 23 24 24
Cambodia
Cameroon 31 29 24 24 26
Canada 15 15 14 14 14
Cayman Islands
Central African Republic 64 55 43 37
Chad 36
Chile
China 17 17 16 15 15
Colombia 20 20 20 20
Comoros
Congo, Dem. Rep. 20
Congo, Rep. 35 34 34 28 27
Costa Rica 18 18 18 18 19
Cote d'Ivoire
Croatia
Cuba 11 11 11 10 10
Curacao
Cyprus 15 14 12 12 12
Czech Republic 13 13 13 13 13
Denmark
Djibouti 23 25 25 28 28
Dominica
Dominican Republic
Ecuador 15 15 14
Egypt, Arab Rep. 20 19 18 21
El Salvador
Equatorial Guinea
Eritrea
Estonia
Ethiopia 42 44 40
Faeroe Islands
Fiji
Finland
France 13 12
French Polynesia 14 14 14 15 15
Gabon 21 21 21 23
Gambia, The 23 24 23
Georgia 10
Germany
Ghana 21 17 16 17 18
Greece 16 16 16 15 15
Greenland
Grenada 32 30
Guam 18 18 18 18
Guatemala 13
Guinea 20
Guinea-Bissau 8
Guyana
Haiti
Honduras 26
Hong Kong SAR, China 24 23 23
Hungary
Iceland
India
Indonesia 15 15 15 13
Iran, Islamic Rep.
Iraq 28 24 23 22
Ireland 16 17 17 17 17
Isle of Man
Israel 11 11 11 11 11
Italy 10 9 9 9 9
Jamaica 28 27 27
Japan 18 18 18 17 17
Jordan 18 18 16
Kazakhstan
Kenya
Kiribati 13 14 14 12 12
Korea, Dem. Rep.
Korea, Rep. 35 34 32 30 28
Kuwait 13 13 13 13 13
Kyrgyz Republic
Lao PDR 11 12 12
Latvia 11 10 10
Lebanon
Lesotho 20 21 21 20
Liberia
Libya
Liechtenstein
Lithuania
Luxembourg 13 13 11
Macao SAR, China
Macedonia, FYR
Madagascar 27 21 22
Malawi
Malaysia 22 21 21 20 19
Maldives
Mali
Malta 12 12 12 12 12
Marshall Islands
Mauritania 22 21 20 18
Mauritius 19 19 20
Mexico 17 17 18 17 17
Micronesia, Fed. Sts.
Moldova 13
Monaco
Mongolia 20 19
Montenegro
Morocco 18 19 19 18 18
Mozambique 33 34
Myanmar 23 21 17 17 12
Namibia
Nepal 25 28 29 30 31
Netherlands 17 16 16 15 16
New Caledonia 14 15 13 13 13
New Zealand
Nicaragua 24 27 24 26
Niger 29 27 26
Nigeria 28 22 22
Northern Mariana Islands
Norway
Oman 12 13 13 14 15
Pakistan 18 20 19
Palau
Panama 19 19 19 19 20
Papua New Guinea 23 22 21 22
Paraguay
Peru 22 21 20 20 20
Philippines 32 34 34 33 33
Poland
Portugal
Puerto Rico
Qatar 9 8 9 9 9
Romania 25
Russian Federation
Rwanda
Samoa
San Marino 7
Sao Tome and Principe
Saudi Arabia
Senegal
Serbia
Seychelles
Sierra Leone 32 19 19 19
Singapore
Sint Maarten (Dutch part)
Slovak Republic
Slovenia
Solomon Islands
Somalia
South Africa
South Sudan
Spain 21 21 21 20 17
Sri Lanka 22 22 22 19
St. Kitts and Nevis 15 16 15
St. Lucia 19
St. Martin (French part)
St. Vincent and the Grenadines 21 16
Sudan
Suriname 9 11 12 13 13
Swaziland
Sweden
Switzerland
Syrian Arab Republic 16 16 15 15 18
Tajikistan
Tanzania 18 17 17 19
Thailand 18 17 16 16
Timor-Leste
Togo 22 22 26 25 28
Tonga 17 18
Trinidad and Tobago
Tunisia 18 17 17 18 17
Turkey 21 21 23 23 23
Turkmenistan
Turks and Caicos Islands
Tuvalu
Uganda 20 21
Ukraine
United Arab Emirates 15 14 15 12 13
United Kingdom
United States
Uruguay
Uzbekistan 14 11 11
Vanuatu
Venezuela, RB 18
Vietnam 18
Virgin Islands (U.S.) 18 18 18 18 18
West Bank and Gaza
Yemen, Rep.
Zambia 23 25
Zimbabwe 28 27 27 27

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