Country name 1980 1981 1982 1983
Brunei Darussalam 8 4 6 9
Bangladesh 6 5 5 4
Hong Kong SAR, China 6 7 7 7
Sierra Leone 8 7 9 9
Nepal 7 7 9 10
Sri Lanka 9 7 8 8
Latvia 8 8 8 8
Guatemala 8 8 8 8
Albania 9 9 9 9
Philippines 9 9 9 8
Ghana 11 9 6 6
Cameroon 10 9 9 9
Burundi 9 9 11 8
Benin 9 9 10 14
Burkina Faso 9 9 14 14
Brazil 9 9 10 10
Singapore 10 9 11 11
Dominican Republic 8 10 10 9
Turkey 12 10 10 9
Switzerland 10 10 10 10
Congo, Dem. Rep. 8 10 9 8
India 10 10 11 11
Hungary 10 10 10 10
Pakistan 10 10 10 11
Peru 11 10 11 11
Colombia 10 10 11 11
Ethiopia 10 11 12
Mexico 10 11 10 9
Niger 10 11 11 11
Mali 12 11 11 11
Indonesia 11 11 12 10
Madagascar 12 12 11 10
Korea, Rep. 12 12 12 11
Georgia 13 12 12 12
Romania 12 11
Venezuela, RB 12 13 13 12
Thailand 12 13 13 13
Honduras 13 13 13 13
Trinidad and Tobago 12 13 21 21
Sudan 16 13 10 9
Portugal 13 13 13 13
Chile 12 13 15 14
Bolivia 14 13 12 9
Congo, Rep. 18 13 13 16
Bahamas, The 13 14 13 14
Mauritius 14 14 14 13
Tonga 15 14 17 14
Mozambique 12 14 14 21
Japan 14 14 14 15
Kuwait 11 14 19 21
Gabon 13 14 16 17
Uruguay 12 14 16 15
Bahrain 13 14 17 18
Cyprus 14 15 15 15
Nigeria 15 16 15
Bulgaria 14 15 15 15
Tunisia 14 15 17 17
Spain 14 15 15 16
South Africa 14 15 16 16
Central African Republic 15 15 16 17
China 15 15 15 15
Algeria 15 15 16 16
Puerto Rico 16 16 14 15
Costa Rica 18 16 15 13
United States 16 16 17 16
Greece 14 16 16 17
El Salvador 14 16 16 16
Ecuador 18 16 17 15
Malta 15 16 17 17
Zimbabwe 19 16 19 17
Fiji 16 16 18 20
Barbados 15 17 17 16
St. Lucia 18 17 24 22
Panama 18 17 19 19
Malaysia 16 18 18 15
Cote d'Ivoire 17 18 17 17
Australia 17 18 18 19
Luxembourg 17 18 17 16
Malawi 19 18 18 16
Iceland 18 18 19 19
Italy 17 18 18 19
Kenya 20 19 18 18
Austria 18 19 19 19
Antigua and Barbuda 19 19 19 20
Finland 18 19 19 20
Egypt, Arab Rep. 16 19 18 17
Belize 17 19 23 24
Morocco 18 19 18 17
Togo 22 19 19 17
Bhutan 23 19 20 20
Norway 19 19 20 20
Saudi Arabia 16 20 26 30
New Zealand 20 20 20 19
Rwanda 12 20 13 12
Grenada 20 20 19 18
Jamaica 20 21 22 20
Namibia 14 21 21 22
Syrian Arab Republic 23 21 22 22
Lesotho 22 21 13 13
Canada 21 21 23 23
Germany 21 22 21 21
Nicaragua 20 22 23 31
Somalia 16 22 13 20
France 21 22 23 23
United Kingdom 22 22 22 22
Ireland 22 22 22 22
Iran, Islamic Rep. 23 23 20 18
Senegal 25 23 20 19
St. Vincent and the Grenadines 23 23 23 23
Vanuatu 27 24 25 33
Belgium 23 24 24 23
Suriname 21 24 28 25
Netherlands 24 25 25 25
Oman 25 25 26 27
Botswana 21 25 26 26
Mongolia 25 23 21
Liberia 21 25 28 25
Dominica 27 25 25 24
St. Kitts and Nevis 21 26 23 23
Swaziland 27 27 24 22
Papua New Guinea 24 27 27 23
Denmark 27 28 28 28
Zambia 26 28 28 24
Guinea-Bissau 28 28 29 25
Sweden 29 29 29 28
Guyana 24 29 26 27
New Caledonia 31 33 35
Comoros 31 31 30 28
Jordan 29 32 29 26
Cuba 32 32 32 32
Mauritania 45 39 32 33
Israel 40 41 38 35
Gambia, The 31 46 32 39
Kiribati 59 58 54 49
Equatorial Guinea 85 70 46 30
American Samoa
Tuvalu
Kosovo
Myanmar
Timor-Leste
Korea, Dem. Rep.
Aruba
Marshall Islands
Liechtenstein
Kazakhstan
Maldives
Lao PDR
Angola
Northern Mariana Islands
Bermuda
Afghanistan
Solomon Islands
Isle of Man
Djibouti
Iraq
Czech Republic
Palau
Macao SAR, China 6 6
Andorra
Tanzania
Montenegro
Cambodia
Paraguay
Turkmenistan
Haiti
Ukraine
Monaco
Azerbaijan
Poland
Kyrgyz Republic
South Sudan
Eritrea
Moldova
Guinea
Micronesia, Fed. Sts. 58
Qatar
Argentina
Guam
St. Martin (French part)
Russian Federation
Curacao
Greenland
Lithuania
Samoa
Croatia
San Marino
Tajikistan
Sao Tome and Principe
Chad 5 6
Vietnam
Cayman Islands
West Bank and Gaza
Cabo Verde
Macedonia, FYR
Bosnia and Herzegovina
Seychelles
Turks and Caicos Islands
Faeroe Islands
Uganda 11 10
Estonia
United Arab Emirates
Sint Maarten (Dutch part)
Belarus
Slovak Republic
Uzbekistan
Slovenia
Armenia
French Polynesia
Virgin Islands (U.S.)
Serbia
Yemen, Rep.
Libya
Lebanon

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