Country name 1980 1981 1982 1983
Afghanistan
Albania 16 10 11 11
Algeria 18 18 14 14
American Samoa
Andorra
Angola 7 6 6 5
Antigua and Barbuda
Argentina 23 23 23 23
Armenia
Aruba
Australia 20 20 20 21
Austria 16 16 16 17
Azerbaijan
Bahamas, The
Bahrain 7 8 7 8
Bangladesh 2 2 2 2
Barbados
Belarus
Belgium 11 11 12 12
Belize
Benin 6 5 6 5
Bermuda
Bhutan
Bolivia 24 22 17 19
Bosnia and Herzegovina
Botswana 10 10 11
Brazil 19 19 19 18
Brunei Darussalam 8 8 9 9
Bulgaria 5 5 5 5
Burkina Faso
Burundi
Cabo Verde
Cambodia
Cameroon 11 10 11 12
Canada 18 18 17 17
Cayman Islands
Central African Republic
Chad
Chile 20 21 22 21
China 2 2 2 2
Colombia 22 22 23 23
Comoros
Congo, Dem. Rep. 2 2 2 2
Congo, Rep. 25 27 30 27
Costa Rica 9 8 8 9
Cote d'Ivoire 8 8 8 7
Croatia
Cuba 9 9 8 8
Curacao
Cyprus 24 24 25 26
Czech Republic 4 5 4 4
Denmark 12 13 13 14
Djibouti
Dominica
Dominican Republic 17 14 13 14
Ecuador 22 23 22 23
Egypt, Arab Rep. 14 14 14 14
El Salvador 11 10 10 10
Equatorial Guinea
Eritrea
Estonia
Ethiopia 2 2 2 2
Faeroe Islands
Fiji
Finland 10 11 11 12
France 14 15 16 15
French Polynesia
Gabon 6 9 10 9
Gambia, The
Georgia
Germany 11 11 12 12
Ghana 10 11 10 9
Greece 15 16 16 17
Greenland
Grenada
Guam
Guatemala 12 11 11 11
Guinea
Guinea-Bissau
Guyana
Haiti 2 3 3 2
Honduras 11 11 11 12
Hong Kong SAR, China 18 19 18 17
Hungary 8 8 8 8
Iceland 8 8 8 7
India 5 5 5 5
Indonesia 10 10 11 10
Iran, Islamic Rep. 19 17 16 23
Iraq 34 41 48 40
Ireland 18 18 17 17
Isle of Man
Israel 18 19 19 21
Italy 17 17 19 19
Jamaica 13 13 14 15
Japan 13 13 13 13
Jordan 35 28 33 33
Kazakhstan
Kenya 7 7 7 7
Kiribati
Korea, Dem. Rep. 6 6 5 5
Korea, Rep. 2 6 6 8
Kosovo
Kuwait 14 15 14 12
Kyrgyz Republic
Lao PDR
Latvia
Lebanon 26 29 30 34
Lesotho
Liberia
Libya 23 25 24 23
Liechtenstein
Lithuania
Luxembourg 12 15 16 17
Macao SAR, China
Macedonia, FYR
Madagascar
Malawi
Malaysia 18 18 19 19
Maldives
Mali
Malta 28 25 25 31
Marshall Islands
Mauritania
Mauritius
Mexico 16 17 16 15
Micronesia, Fed. Sts.
Moldova
Monaco
Mongolia
Montenegro
Morocco 16 16 15 15
Mozambique 1 1 1 1
Myanmar 6 6 6 6
Namibia
Nepal 1 1 1 1
Netherlands 11 12 13 13
New Caledonia
New Zealand 22 23 22 21
Nicaragua 18 18 17 16
Niger
Nigeria 8 8 9 9
Northern Mariana Islands
Norway 10 10 11 11
Oman 19 24 19 23
Pakistan 8 9 9 9
Palau
Panama 17 15 13 12
Papua New Guinea
Paraguay 17 17 16 15
Peru 15 17 17 17
Philippines 15 14 14 13
Poland 5 5 4 5
Portugal 19 20 19 19
Puerto Rico
Qatar 10 10 10 10
Romania 4 2 3 3
Russian Federation
Rwanda
Samoa
San Marino
Sao Tome and Principe
Saudi Arabia 20 19 20 25
Senegal 12 12 11 13
Serbia
Seychelles
Sierra Leone
Singapore 18 19 21 19
Sint Maarten (Dutch part)
Slovak Republic 6 6 6 5
Slovenia
Solomon Islands
Somalia
South Africa 10 10 9 9
South Sudan
Spain 15 15 17 17
Sri Lanka 11 11 11 12
St. Kitts and Nevis
St. Lucia
St. Martin (French part)
St. Vincent and the Grenadines
Sudan 9 9 10 9
Suriname
Swaziland
Sweden 13 12 12 12
Switzerland 17 18 19 18
Syrian Arab Republic 41 36 32 30
Tajikistan
Tanzania 3 3 2 2
Thailand 15 15 14 18
Timor-Leste
Togo 12 11 13 8
Tonga
Trinidad and Tobago 12 12 13 13
Tunisia 16 16 17 16
Turkey 15 15 15 15
Turkmenistan
Turks and Caicos Islands
Tuvalu
Uganda
Ukraine
United Arab Emirates 32 30 31 33
United Kingdom 13 13 14 14
United States 19 20 21 21
Uruguay 18 19 21 21
Uzbekistan
Vanuatu
Venezuela, RB 25 25 25 23
Vietnam 3 3 3 3
Virgin Islands (U.S.)
West Bank and Gaza
Yemen, Rep. 60 62 55 58
Zambia 6 5 5 5
Zimbabwe 5 6 5 6

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