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

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