Country name 1981 1982 1983 1984 1985
Afghanistan
Albania
Algeria
American Samoa
Andorra
Angola
Antigua and Barbuda
Argentina
Armenia
Aruba
Australia 17 16 15 15 15
Austria 22 22 22
Azerbaijan
Bahamas, The
Bahrain 5 5
Bangladesh 29 27
Barbados 19 19 19 19 17
Belarus
Belgium 17 16 16 16 15
Belize
Benin
Bermuda
Bhutan
Bolivia 18 16 16 15 15
Bosnia and Herzegovina
Botswana 4
Brazil 13 13 14 12 12
Brunei Darussalam
Bulgaria
Burkina Faso
Burundi
Cabo Verde
Cambodia
Cameroon
Canada 15 14 14 14 14
Cayman Islands
Central African Republic
Chad
Chile 15 12 12 13 12
China
Colombia 22
Comoros
Congo, Dem. Rep.
Congo, Rep.
Costa Rica 20 20 22 17 20
Cote d'Ivoire
Croatia
Cuba
Curacao
Cyprus 29 28 28 28 27
Czech Republic
Denmark 16 16 15 16
Djibouti
Dominica
Dominican Republic
Ecuador
Egypt, Arab Rep. 13 13 14 11
El Salvador 21
Equatorial Guinea 1
Eritrea
Estonia
Ethiopia
Faeroe Islands
Fiji
Finland 23 22 21 20 20
France 21 21 20 20 19
French Polynesia
Gabon
Gambia, The
Georgia
Germany
Ghana
Greece 18 18 17 17 17
Greenland
Grenada
Guam
Guatemala 28 28
Guinea
Guinea-Bissau
Guyana
Haiti 8 9 9
Honduras
Hong Kong SAR, China 53 52 49 50 47
Hungary 32 32 31 31 31
Iceland
India
Indonesia 15 12
Iran, Islamic Rep.
Iraq
Ireland 18 19 19
Isle of Man
Israel 15 15 15 15 16
Italy 28 27 26 25 24
Jamaica
Japan 29 28 28 29 28
Jordan 9
Kazakhstan
Kenya
Kiribati
Korea, Dem. Rep.
Korea, Rep. 22 22 23 24 24
Kuwait 2
Kyrgyz Republic
Lao PDR
Latvia
Lebanon
Lesotho
Liberia
Libya
Liechtenstein
Lithuania
Luxembourg 12 11 11
Macao SAR, China
Macedonia, FYR
Madagascar
Malawi
Malaysia 21 21 23 21 21
Maldives
Mali
Malta
Marshall Islands
Mauritania
Mauritius
Mexico
Micronesia, Fed. Sts.
Moldova
Monaco
Mongolia
Montenegro
Morocco
Mozambique
Myanmar
Namibia
Nepal
Netherlands 13 12 12
New Caledonia
New Zealand
Nicaragua
Niger
Nigeria 7
Northern Mariana Islands
Norway 13 13 12 12 12
Oman
Pakistan 12
Palau
Panama 12 11 11 12
Papua New Guinea
Paraguay 13 16 17 18
Peru
Philippines 14 13 13 13 13
Poland
Portugal 25 26 25 24 25
Puerto Rico 25 25 25 24 23
Qatar
Romania 34 35 35 36 36
Russian Federation
Rwanda
Samoa
San Marino 43 41 40 38 39
Sao Tome and Principe 3 4 6 3
Saudi Arabia
Senegal
Serbia
Seychelles
Sierra Leone
Singapore 40 38 36 36 33
Sint Maarten (Dutch part)
Slovak Republic
Slovenia
Solomon Islands
Somalia
South Africa
South Sudan
Spain 20 19 18 17 17
Sri Lanka 18 20
St. Kitts and Nevis 17
St. Lucia
St. Martin (French part)
St. Vincent and the Grenadines
Sudan
Suriname
Swaziland
Sweden 15 15 14 14 14
Switzerland 23 22 21 20 21
Syrian Arab Republic 11 14
Tajikistan
Tanzania
Thailand 10 11 11 10
Timor-Leste
Togo
Tonga 12
Trinidad and Tobago 21 22 20 19 17
Tunisia
Turkey 31 28 29 8
Turkmenistan
Turks and Caicos Islands
Tuvalu
Uganda
Ukraine
United Arab Emirates
United Kingdom 21 20 19 18 18
United States 18 17 17 17 17
Uruguay 22
Uzbekistan
Vanuatu
Venezuela, RB 17 17 16 16 16
Vietnam
Virgin Islands (U.S.)
West Bank and Gaza
Yemen, Rep.
Zambia
Zimbabwe

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