Country name 1984 1985 1986 1987 1988
Afghanistan
Albania
Algeria
American Samoa
Andorra
Angola
Antigua and Barbuda
Argentina 31
Armenia
Aruba
Australia 28 27 27 26 26
Austria 38 38 38 38 37
Azerbaijan 29 29 29 29 29
Bahamas, The 15
Bahrain
Bangladesh 11 12 13
Barbados 23 23 22 22 23
Belarus 37 38
Belgium 30 30 29 29 31
Belize
Benin
Bermuda
Bhutan
Bolivia 17 16 13 13 13
Bosnia and Herzegovina
Botswana 11
Brazil 22 22 24 24 23
Brunei Darussalam
Bulgaria 45 45 45 46 46
Burkina Faso
Burundi
Cabo Verde
Cambodia
Cameroon 7
Canada 26 25 25 25 25
Cayman Islands
Central African Republic
Chad
Chile 20 20 21 23 25
China 20 21 22 22 22
Colombia 29 29 30 30
Comoros
Congo, Dem. Rep.
Congo, Rep.
Costa Rica 21 21 23 25 24
Cote d'Ivoire
Croatia
Cuba
Curacao
Cyprus 32 31 30 30 30
Czech Republic
Denmark 27 28 28 28 27
Djibouti
Dominica
Dominican Republic
Ecuador 25
Egypt, Arab Rep. 20
El Salvador 21 31 29
Equatorial Guinea
Eritrea
Estonia
Ethiopia
Faeroe Islands
Fiji
Finland 32 32 32 31 30
France 32 32 31 30 30
French Polynesia
Gabon
Gambia, The
Georgia
Germany
Ghana
Greece 28 27 28 28 27
Greenland
Grenada 25
Guam
Guatemala 17
Guinea
Guinea-Bissau
Guyana
Haiti 9
Honduras
Hong Kong SAR, China 45 44 43 43 41
Hungary 37 37 37 36 36
Iceland
India
Indonesia 13 8 8 8
Iran, Islamic Rep.
Iraq
Ireland 27 27 28 28 29
Isle of Man
Israel 30 29 29 29 28
Italy 34 33 33 32 32
Jamaica
Japan 35 35 35 34 34
Jordan 19 17
Kazakhstan
Kenya
Kiribati
Korea, Dem. Rep.
Korea, Rep. 31 31 32 34 35
Kosovo
Kuwait 26
Kyrgyz Republic 25 25 24
Lao PDR
Latvia
Lebanon
Lesotho
Liberia
Libya 39 30
Liechtenstein
Lithuania
Luxembourg 35 34 33 33 32
Macao SAR, China
Macedonia, FYR
Madagascar
Malawi
Malaysia 25 24 23 22 23
Maldives
Mali
Malta
Marshall Islands
Mauritania
Mauritius
Mexico 27
Micronesia, Fed. Sts.
Moldova 27 27 27 28 28
Monaco
Mongolia
Montenegro
Morocco
Mozambique
Myanmar 11 11 11 11 11
Namibia
Nepal
Netherlands 28 26 26
New Caledonia
New Zealand 29 27 26
Nicaragua
Niger
Nigeria 8
Northern Mariana Islands 4 4
Norway 27 27 27 27 26
Oman
Pakistan 20 20 19 21 20
Palau
Panama 16 17 17 17 14
Papua New Guinea
Paraguay 27 29 27 26 25
Peru 30 29
Philippines 14 14 13 15 16
Poland 38 38 38 38 38
Portugal 34 34 34 35 35
Puerto Rico 25 24 25 25 25
Qatar
Romania 44 45 45 45 45
Russian Federation
Rwanda
Samoa
San Marino 46 47 46 46 45
Sao Tome and Principe 18
Saudi Arabia
Senegal
Serbia
Seychelles
Sierra Leone
Singapore 37 35 35 35 36
Sint Maarten (Dutch part)
Slovak Republic
Slovenia
Solomon Islands
Somalia
South Africa
South Sudan
Spain 33 32 32 32 33
Sri Lanka 19
St. Kitts and Nevis 24
St. Lucia
St. Martin (French part)
St. Vincent and the Grenadines
Sudan
Suriname 21 20 19 18 15
Swaziland
Sweden 30 30 30 30 30
Switzerland 36 36 35 34 34
Syrian Arab Republic 33
Tajikistan
Tanzania
Thailand 13 11 12 11
Timor-Leste
Togo
Tonga 12
Trinidad and Tobago 36 33 29 29 28
Tunisia
Turkey 33 20 21
Turkmenistan
Turks and Caicos Islands
Tuvalu
Uganda
Ukraine 8 8
United Arab Emirates
United Kingdom 32 31 30 30 33
United States 29 28 28 27 27
Uruguay 30 31 35 34
Uzbekistan
Vanuatu
Venezuela, RB 25 25 26 28
Vietnam
Virgin Islands (U.S.)
West Bank and Gaza
Yemen, Rep.
Zambia
Zimbabwe

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