Country name 1980 1981 1982 1983
Afghanistan 7 8 8 9
Albania
Algeria 8 8 8 8
American Samoa
Andorra
Angola 15 15 15 16
Antigua and Barbuda
Argentina 40 40 40 40
Armenia 34 34 34 34
Aruba
Australia 61 60 60 61
Austria 20 20 20 20
Azerbaijan 26 25 25 25
Bahamas, The
Bahrain
Bangladesh 6 7 7 7
Barbados
Belarus 14 14 14 14
Belgium 17 17 17 17
Belize
Benin
Bermuda
Bhutan
Bolivia 21 21 22 22
Bosnia and Herzegovina
Botswana
Brazil 33 33 34 34
Brunei Darussalam
Bulgaria 12 12 13 13
Burkina Faso 4 4 4 5
Burundi
Cabo Verde
Cambodia 4 4 4 5
Cameroon 11 11 12 12
Canada 37 37 37 37
Cayman Islands
Central African Republic
Chad 7 7 7 8
Chile 33 34 34 34
China 8 8 8 8
Colombia 29 29 30 30
Comoros
Congo, Dem. Rep. 11 11 12 12
Congo, Rep. 25 26 26 27
Costa Rica 22 23 23 23
Cote d'Ivoire 17 17 17 17
Croatia
Cuba 19 20 20 20
Curacao
Cyprus
Czech Republic 11 11 11 12
Denmark 21 21 21 21
Djibouti
Dominica
Dominican Republic 21 21 21 21
Ecuador 24 24 25 25
Egypt, Arab Rep. 22 22 22 22
El Salvador 15 15 16 16
Equatorial Guinea
Eritrea
Estonia
Ethiopia 3 3 3 4
Faeroe Islands
Fiji
Finland 14 14 14 14
France 22 22 22 22
French Polynesia
Gabon
Gambia, The
Georgia 24 25 25 25
Germany 9 9 9 9
Ghana 12 12 12 12
Greece 31 31 31 31
Greenland
Grenada
Guam
Guatemala 11 11 10 10
Guinea 15 15 15 15
Guinea-Bissau
Guyana
Haiti 12 13 13 13
Honduras 10 10 11 11
Hong Kong SAR, China 91 91 91 91
Hungary 19 19 19 19
Iceland
India 9 9 9 9
Indonesia 9 9 9 9
Iran, Islamic Rep. 23 23 23 24
Iraq 29 29 29 29
Ireland 26 26 26 26
Isle of Man
Israel 49 50 51 52
Italy 19 19 19 19
Jamaica
Japan 43 43 43 44
Jordan 29 29 29 28
Kazakhstan 7 7 7 7
Kenya 5 5 5 5
Kiribati
Korea, Dem. Rep. 11 11 11 11
Korea, Rep. 42 43 44 45
Kosovo
Kuwait 65 65 65 65
Kyrgyz Republic
Lao PDR
Latvia
Lebanon 62 62 61 60
Lesotho
Liberia
Libya 22 21 21 21
Liechtenstein
Lithuania
Luxembourg
Macao SAR, China
Macedonia, FYR
Madagascar 7 7 7 7
Malawi
Malaysia 10 10 10 10
Maldives
Mali 7 7 8 8
Malta
Marshall Islands
Mauritania
Mauritius
Mexico 32 32 32 32
Micronesia, Fed. Sts.
Moldova
Monaco
Mongolia 25 25 25 25
Montenegro
Morocco 17 17 18 18
Mozambique 5 5 5 5
Myanmar 8 8 8 8
Namibia
Nepal
Netherlands 13 13 13 13
New Caledonia
New Zealand 25 25 25 25
Nicaragua 16 16 16 16
Niger 5 5 5 5
Nigeria 10 10 10 11
Northern Mariana Islands
Norway
Oman
Pakistan 15 15 15 15
Palau
Panama 31 31 31 32
Papua New Guinea
Paraguay 24 24 24 24
Peru 26 26 26 26
Philippines 14 14 14 14
Poland 4 4 4 4
Portugal 36 36 36 36
Puerto Rico 39 41 44 46
Qatar
Romania 8 8 8 8
Russian Federation 17 17 17 17
Rwanda
Samoa
San Marino
Sao Tome and Principe
Saudi Arabia 27 28 28 28
Senegal 17 17 18 18
Serbia
Seychelles
Sierra Leone
Singapore 100 98 96 96
Sint Maarten (Dutch part)
Slovak Republic
Slovenia
Solomon Islands
Somalia 9 9 10 11
South Africa 27 27 27 27
South Sudan
Spain 22 22 22 22
Sri Lanka
St. Kitts and Nevis
St. Lucia
St. Martin (French part)
St. Vincent and the Grenadines
Sudan 6 6 6 7
Suriname
Swaziland
Sweden 12 12 12 12
Switzerland 11 12 12 12
Syrian Arab Republic 32 32 31 31
Tajikistan
Tanzania 4 5 5 5
Thailand 10 10 10 10
Timor-Leste
Togo 13 13 13 13
Tonga
Trinidad and Tobago
Tunisia
Turkey 21 21 22 22
Turkmenistan
Turks and Caicos Islands
Tuvalu
Uganda 4 4 4 4
Ukraine 12 12 12 12
United Arab Emirates 25 25 25 25
United Kingdom 27 27 27 27
United States 41 41 41 41
Uruguay 50 50 50 50
Uzbekistan 11 11 11 11
Vanuatu
Venezuela, RB 35 35 34 34
Vietnam 7 7 7 7
Virgin Islands (U.S.)
West Bank and Gaza
Yemen, Rep. 3 3 3 4
Zambia 9 9 9 9
Zimbabwe 8 9 9 9

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