Country name 1984 1985 1986 1987 1988
Afghanistan
Albania
Algeria 31 30 28 27 27
American Samoa 21 21 17 17 16
Andorra
Angola 32 30 31 33 33
Antigua and Barbuda
Argentina 20 20 20 19 19
Armenia
Aruba
Australia 16 17 17 17
Austria 13 12 10 10 11
Azerbaijan
Bahamas, The 20 21 19
Bahrain 18 19 20 20 21
Bangladesh 47 47 48 48 58
Barbados 23 21
Belarus
Belgium 19 17 17
Belize
Benin 35 33 33 33 33
Bermuda 18 17
Bhutan 39 37 37 37
Bolivia
Bosnia and Herzegovina
Botswana 31 32 32 32 32
Brazil
Brunei Darussalam 15 16 17 14
Bulgaria
Burkina Faso 58 56 58 68 65
Burundi 52 54 56 62 71
Cabo Verde 39 39 34 33
Cambodia 42 38 38 35 34
Cameroon 50 51 51 50 51
Canada 16 17 17 17 16
Cayman Islands
Central African Republic 68 66 60 63
Chad 64 71
Chile
China 25 25 25 24 24
Colombia 30 30 29 30 30
Comoros 39 31 35 35 36
Congo, Dem. Rep. 42 37
Congo, Rep. 57 61 61 64 66
Costa Rica 34 31 32 31 32
Cote d'Ivoire 36 36 36 36 36
Croatia
Cuba 15 15 14 13 13
Curacao
Cyprus 21 22 23 23 22
Czech Republic 29 29 29 29 29
Denmark 12 12 11 12
Djibouti 44 44 44 44
Dominica
Dominican Republic 43
Ecuador 33 32 32 32 31
Egypt, Arab Rep. 32 32 31 30
El Salvador
Equatorial Guinea
Eritrea
Estonia
Ethiopia 54 50 48 48 49
Faeroe Islands
Fiji
Finland 15
France 22 22 21 21 21
French Polynesia 22 20 14
Gabon 45 47 46 47 46
Gambia, The 25 25 24 29
Georgia 17
Germany
Ghana 29 28 23 24 24
Greece 24 23 23 23 22
Greenland
Grenada 22 23 22 23
Guam 20 20 20 20
Guatemala 36 37 36 35
Guinea 31 36 36 36 40
Guinea-Bissau 23 25 25 25
Guyana 37 36
Haiti 42 40 38 36
Honduras 38 39
Hong Kong SAR, China 28 27 28 27 27
Hungary
Iceland
India
Indonesia 28 26 25 24 24
Iran, Islamic Rep. 20 21 22 28 29
Iraq 24 24 24 24 25
Ireland 27 27 27 27 27
Isle of Man
Israel 12 12 13 13 14
Italy 14 14 14 13 13
Jamaica 34 35 35 36 34
Japan 25 24 24 23 23
Jordan 32 32 31 29 30
Kazakhstan 26
Kenya
Kiribati 28 29 29 29 30
Korea, Dem. Rep.
Korea, Rep. 42 40 38 38 37
Kosovo
Kuwait 18 18 18 18 18
Kyrgyz Republic 19
Lao PDR 27 27 25 27
Latvia 19 19 18 20 19
Lebanon
Lesotho 53 55 55 56 56
Liberia
Libya
Liechtenstein
Lithuania 25
Luxembourg 13 13 12 13
Macao SAR, China
Macedonia, FYR
Madagascar 38 38 40
Malawi
Malaysia 26 24 22 21
Maldives
Mali 35 35 34 35 38
Malta 21 18 22 22 22
Marshall Islands
Mauritania 45 46 51 50 50
Mauritius 21 22 23 22 22
Mexico 36 35 34 33 32
Micronesia, Fed. Sts.
Moldova 26
Monaco
Mongolia 30 31 31
Montenegro
Morocco 34 27 28 27 26
Mozambique 57 62 61 62 56
Myanmar 52 53 54 58 52
Namibia
Nepal 38 35 35 35 37
Netherlands 20 19 17 17 17
New Caledonia 21 20 19 20 20
New Zealand 20 20 19
Nicaragua 34 33 32 32 34
Niger 40 36 37 38
Nigeria 38 40 42 44 41
Northern Mariana Islands
Norway
Oman 27 29 27 26 26
Pakistan 36 38 39 40 41
Palau
Panama 26 25 22 23 23
Papua New Guinea 31 30 31 32
Paraguay 25 25 25 25 25
Peru 34 35 33 32 31
Philippines 31 31 31 31 32
Poland
Portugal 17 17 17 16
Puerto Rico
Qatar 13 13 13 14 12
Romania 27 27 27
Russian Federation 27
Rwanda 47 47 48 49 50
Samoa 18
San Marino 9 8 9 8 7
Sao Tome and Principe 30 31 30 29
Saudi Arabia
Senegal 41 46 46 51 54
Serbia
Seychelles
Sierra Leone 34 34 39 31
Singapore 27 27 26 26 26
Sint Maarten (Dutch part)
Slovak Republic
Slovenia
Solomon Islands 24 26 21
Somalia
South Africa
South Sudan
Spain 27 25 26 25
Sri Lanka
St. Kitts and Nevis 23 23 22 29 29
St. Lucia 30 30 30 30 31
St. Martin (French part)
St. Vincent and the Grenadines 18
Sudan 33 34 35 35
Suriname 25 25 23 23 23
Swaziland 33 34 33 33 33
Sweden
Switzerland
Syrian Arab Republic 27 27 26 25 26
Tajikistan
Tanzania 38 34 33 33 33
Thailand 20 19 20 20
Timor-Leste
Togo 45 44 46 50 52
Tonga 21 23 22 22
Trinidad and Tobago 23 22 22 23 24
Tunisia 36 34 32 32 31
Turkey 31 31 31 31 31
Turkmenistan
Turks and Caicos Islands
Tuvalu
Uganda 34 34 30 32 32
Ukraine
United Arab Emirates 24 24 25 24 25
United Kingdom 18 18 20 20
United States 14 14 14
Uruguay 23 25 22 23
Uzbekistan 24
Vanuatu
Venezuela, RB 26 26 26 26
Vietnam 35 34 35 35
Virgin Islands (U.S.) 14
West Bank and Gaza
Yemen, Rep.
Zambia 47 49 46 46 44
Zimbabwe 39 40 39 39 38

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