Country name 1981 1982 1983 1984 1985
Afghanistan
Albania
Algeria
American Samoa
Andorra
Angola
Antigua and Barbuda
Argentina
Armenia
Aruba
Australia 39 38 36 36 36
Austria 49 49 49
Azerbaijan
Bahamas, The
Bahrain 38 38
Bangladesh 9 10
Barbados 24 27 27 26 28
Belarus
Belgium 42 40 40 39 39
Belize
Benin
Bermuda
Bhutan
Bolivia 20 18 18 17 16
Bosnia and Herzegovina
Botswana 17
Brazil 30 28 31 27 27
Brunei Darussalam
Bulgaria
Burkina Faso
Burundi
Cabo Verde
Cambodia
Cameroon
Canada 37 35 34 34 34
Cayman Islands
Central African Republic
Chad
Chile 27 21 21 23 24
China
Colombia 34
Comoros
Congo, Dem. Rep.
Congo, Rep.
Costa Rica 23 21 22 21 21
Cote d'Ivoire
Croatia
Cuba
Curacao
Cyprus 36 35 34 34 33
Czech Republic
Denmark 41 39 36 38
Djibouti
Dominica
Dominican Republic
Ecuador
Egypt, Arab Rep. 23 23 23 22
El Salvador 22
Equatorial Guinea 7
Eritrea
Estonia
Ethiopia
Faroe Islands
Fiji
Finland 45 44 43 43 42
France 44 43 42 41 41
French Polynesia
Gabon
Gambia, The
Georgia
Germany
Ghana
Greece 34 34 34 33 33
Greenland
Grenada
Guam
Guatemala 17 17
Guinea
Guinea-Bissau
Guyana
Haiti 8 9 9
Honduras
Hong Kong SAR, China 46 44 43 43 43
Hungary 44 44 43 43 43
Iceland
India
Indonesia 15 14
Iran, Islamic Rep.
Iraq
Ireland 34 33 33
Isle of Man
Israel 39 39 39 38 37
Italy 41 41 40 38 38
Jamaica
Japan 40 39 39 39 39
Jordan 23
Kazakhstan
Kenya
Kiribati
Korea, Dem. People’s Rep.
Korea, Rep. 31 32 33 35 35
Kuwait 33
Kyrgyz Republic
Lao PDR
Latvia
Lebanon
Lesotho
Liberia
Libya
Liechtenstein
Lithuania
Luxembourg 47 46 45
Macao SAR, China
Macedonia, FYR
Madagascar
Malawi
Malaysia 28 26 28 26 26
Maldives
Mali
Malta
Marshall Islands
Mauritania
Mauritius
Mexico
Micronesia, Fed. Sts.
Moldova
Monaco
Mongolia
Montenegro
Morocco
Mozambique
Myanmar
Namibia
Nepal
Netherlands 39 37 36
New Caledonia
New Zealand
Nicaragua
Niger
Nigeria 5
Northern Mariana Islands
Norway 40 39 38 38 38
Oman
Pakistan 21
Palau
Panama 21 20 19 20
Papua New Guinea
Paraguay 35 35 35 37
Peru
Philippines 14 15 14 15 15
Poland
Portugal 45 45 42 40 40
Puerto Rico 27 25 25 26 25
Qatar
Romania 51 52 52 51 51
Russian Federation
Rwanda
Samoa
San Marino 52 51 50 50 52
Sao Tome and Principe 16 20 18 25
Saudi Arabia
Senegal
Serbia
Seychelles
Sierra Leone
Singapore 36 36 36 37 36
Sint Maarten (Dutch part)
Slovak Republic
Slovenia
Solomon Islands
Somalia
South Africa
South Sudan
Spain 41 40 40 39 38
Sri Lanka 19 18
St. Kitts and Nevis 29
St. Lucia
St. Martin (French part)
St. Vincent and the Grenadines
Sudan
Suriname
Swaziland
Sweden 45 44 44 44 44
Switzerland 47 46 45 45 44
Syrian Arab Republic 32 36
Tajikistan
Tanzania
Thailand 15 16 15 15
Timor-Leste
Togo
Tonga 12
Trinidad and Tobago 48 47 46 44 41
Tunisia
Turkey 36 33 33 25
Turkmenistan
Turks and Caicos Islands
Tuvalu
Uganda
Ukraine
United Arab Emirates
United Kingdom 45 44 43 41 41
United States 39 37 37 38 38
Uruguay 36
Uzbekistan
Vanuatu
Venezuela, RB 31 32 30 28 28
Vietnam
Virgin Islands (U.S.)
West Bank and Gaza
Yemen, Rep.
Zambia
Zimbabwe

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