Country name 1986 1987 1988 1989 1990
Afghanistan 36 41
Albania
Algeria 28 27 27 28 28
American Samoa 17 17 16 18 19
Andorra
Angola 31 33 33 33
Antigua and Barbuda
Argentina 20 19 19
Armenia
Aruba
Australia 17 17 17 17
Austria 10 10 11 11 11
Azerbaijan
Bahamas, The 19
Bahrain 20 20 21 22 21
Bangladesh 48 48 58 60 63
Barbados 18 18
Belarus
Belgium 17
Belize
Benin 33 33 33 35 31
Bermuda
Bhutan 37 37 37
Bolivia
Bosnia and Herzegovina
Botswana 32 32 32 32 32
Brazil
Brunei Darussalam 17 14 14
Bulgaria
Burkina Faso 58 68 65 57 55
Burundi 56 62 71 69 66
Cabo Verde 39 34 33 33 33
Cambodia 38 35 34 36 35
Cameroon 51 50 51 51 51
Canada 17 17 16 16 16
Cayman Islands
Central African Republic 66 60 63 70 90
Chad 71 68 67
Chile
China 25 24 24 23 22
Colombia 29 30 30 30 30
Comoros 35 35 36 38 36
Congo, Dem. Rep. 37
Congo, Rep. 61 64 66 63 64
Costa Rica 32 31 32 32 32
Cote d'Ivoire 36 36 36 37 36
Croatia
Cuba 14 13 13 12 12
Curacao
Cyprus 23 23 22 22 21
Czech Republic 29 29 29 26 24
Denmark 12 11 12 11 11
Djibouti 44 44 44 44
Dominica
Dominican Republic
Ecuador 32 32 31 29 30
Egypt, Arab Rep. 32 31 30 20 25
El Salvador
Equatorial Guinea
Eritrea 41 38
Estonia
Ethiopia 48 48 49 43 41
Faeroe Islands
Fiji
Finland
France 21 21 21 21
French Polynesia 14 14 14
Gabon 46 47 46 48
Gambia, The 24 29 28 31
Georgia 17
Germany
Ghana 23 24 24 26 27
Greece 23 23 22 21 20
Greenland
Grenada 22 23 25
Guam 20 20 20 20
Guatemala 36 35
Guinea 36 36 40 39 38
Guinea-Bissau 25 25
Guyana
Haiti 38 36
Honduras 39 35
Hong Kong SAR, China 28 27 27 27
Hungary
Iceland
India
Indonesia 25 24 24 24 23
Iran, Islamic Rep. 22 28 29 30
Iraq 24 24 25 23
Ireland 27 27 27 28 27
Isle of Man
Israel 13 13 14 14 14
Italy 14 13 13 13 12
Jamaica 35 36 34 33 34
Japan 24 23 23 22 21
Jordan 31 29 30 28
Kazakhstan 26 23 21
Kenya
Kiribati 29 29 30 28 29
Korea, Dem. Rep.
Korea, Rep. 38 38 37 36 36
Kuwait 18 18 18 18 18
Kyrgyz Republic 19
Lao PDR 25 27 28
Latvia 18 20 19 18 15
Lebanon
Lesotho 55 56 56 56 55
Liberia
Libya
Liechtenstein
Lithuania 25 20 19
Luxembourg 13 12 13
Macao SAR, China
Macedonia, FYR
Madagascar 40 40 40
Malawi
Malaysia 22 21 21 20
Maldives
Mali 34 35 38 43 45
Malta 24 24 23 22 23
Marshall Islands
Mauritania 51 50 50 49 44
Mauritius 23 22 22 22 21
Mexico 34 33 32 31 31
Micronesia, Fed. Sts.
Moldova 26 25 24
Monaco
Mongolia 30 31 31 30 30
Montenegro
Morocco 28 27 26 25 25
Mozambique 61 62 56 58 55
Myanmar 54 58 52 54 45
Namibia
Nepal 35 35 37 40 39
Netherlands 17 17 17 17 17
New Caledonia 19 20 20 20 20
New Zealand 20 19 19 18
Nicaragua 32 32 34 32 33
Niger 37 38 40 41
Nigeria 42 44 41 37 41
Northern Mariana Islands
Norway
Oman 27 26 26 27 28
Pakistan 39 40 41 41 41
Palau
Panama 22 23 23 23 23
Papua New Guinea 30 31 32 32 32
Paraguay 25 25 25 25 25
Peru 33 32 31 29 29
Philippines 31 31 32 33 33
Poland
Portugal 17 16 15
Puerto Rico
Qatar 13 14 12 12 12
Romania 27 27 27 25
Russian Federation 27 23 23
Rwanda 48 49 50 50 50
Samoa 18
San Marino 9 8 7 7 6
Sao Tome and Principe 30 29 35
Saudi Arabia
Senegal 46 51 54 51 58
Serbia
Seychelles
Sierra Leone 39 31 30 35
Singapore 26 26 26 26 26
Sint Maarten (Dutch part)
Slovak Republic
Slovenia
Solomon Islands 21 19
Somalia
South Africa
South Sudan
Spain 25 26 25 23
Sri Lanka
St. Kitts and Nevis 22 29 29 23 22
St. Lucia 30 30 31 31 29
St. Martin (French part)
St. Vincent and the Grenadines 18
Sudan
Suriname 23 23 23 23 22
Swaziland 33 33 33 32 33
Sweden
Switzerland
Syrian Arab Republic 26 25 26 27 26
Tajikistan
Tanzania 33 33 33 33 35
Thailand 20 20 20 20
Timor-Leste
Togo 46 50 52 55 56
Tonga 22 22 24
Trinidad and Tobago 22 23 24 25
Tunisia 32 32 31 30 30
Turkey 31 31 31 31 30
Turkmenistan
Turks and Caicos Islands
Tuvalu
Uganda 30 32 32 29 29
Ukraine
United Arab Emirates 25 24 25 18 18
United Kingdom 20 20 20 20
United States 14
Uruguay 22 23 22 22
Uzbekistan 24 24 24
Vanuatu 26
Venezuela, RB 26 26
Vietnam 34 35 35 34 34
Virgin Islands (U.S.) 14
West Bank and Gaza
Yemen, Rep.
Zambia 46 46 44 44
Zimbabwe 39 39 38 38 36

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