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

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