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

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