Country name 1981 1982 1983 1984 1985
Qatar 3 3 3 3 3
United Arab Emirates 4 4 3 3 3
St. Martin (French part) 4 4 3 3
Kuwait 4 4 3 3 3
Bahrain 4 4 4 4 4
Costa Rica 5 4 4 4 4
Brunei Darussalam 5 4 4 4 4
Hong Kong SAR, China 5 5 5 5 5
Guam 5 5 5 5 5
Virgin Islands (U.S.) 5 5 5 5 5
Singapore 5 5 5 5 5
Panama 5 5 5 5 5
Dominica 5 5 5 5
Venezuela, RB 6 5 5 5 5
Malaysia 6 6 5 5 5
Bahamas, The 6 6 6 6 6
Albania 6 6 6 6 6
Tonga 6 6 6 6 6
Japan 6 6 6 6 6
Cuba 6 6 6 6 6
Sri Lanka 6 6 6 6 6
Belize 6 6 6 6 6
Korea, Rep. 6 6 6 6 6
Korea, Dem. Rep. 6 6 6 6 6
St. Lucia 6 6 6 6 6
French Polynesia 7 6 6 6 6
New Caledonia 6 6 6 6 6
Syrian Arab Republic 7 6 6 6 6
Liechtenstein 6 6 6 7 6
Armenia 6 6 7 7 7
Mexico 7 6 6 6 6
Jordan 7 6 6 6 6
Puerto Rico 7 7 7 7 7
Antigua and Barbuda 6 7 7 7 7
Aruba 6 7 7 7 7
Bosnia and Herzegovina 6 7 7 7 7
China 6 7 7 7 7
Mauritius 7 7 7 7 7
Colombia 7 7 6 6 6
Libya 7 7 6 6 6
Azerbaijan 7 7 7 7 7
Jamaica 7 7 7 7 7
Iceland 7 7 7 7 7
Paraguay 7 7 7 7 7
Thailand 7 7 7 6 6
Israel 7 7 7 7 7
Montenegro 7 7 7 7 7
Fiji 7 7 7 7 7
Vietnam 7 7 7 7 7
Canada 7 7 7 7 7
Chile 7 7 7 7 7
Macao SAR, China 7 7 7 7 7
Lebanon 7 7 7 7 7
Micronesia, Fed. Sts. 7 7 7 7 7
St. Vincent and the Grenadines 7 7 7 7 7
Suriname 7 7 7 7 7
Macedonia, FYR 7 7 7 7 7
Saudi Arabia 8 7 7 7 6
Seychelles 7 7 7 8 7
Uzbekistan 7 7 8 8 7
Cyprus 8 7 7 7 7
Australia 7 8 7 7 7
Dominican Republic 8 8 7 7 7
Spain 8 8 8 8 8
Trinidad and Tobago 8 8 8 8 8
Tunisia 8 8 7 7 7
Philippines 8 8 8 7 7
Greenland 8 8 8 8 8
Kazakhstan 8 8 8 8 8
New Zealand 8 8 8 8 8
Ecuador 8 8 8 8 7
Netherlands 8 8 8 8 9
Brazil 9 8 8 8 8
Botswana 9 8 8 8 8
United States 9 9 9 9 9
Argentina 9 9 8 8 8
Samoa 9 9 8 8 8
Guyana 9 9 9 9 9
Greece 9 9 9 9 9
Grenada 9 9 9 9 9
Oman 9 9 8 8 7
Finland 9 9 9 9 10
Peru 10 9 9 9 8
Ireland 10 9 9 9 9
Switzerland 9 9 10 9 9
Poland 9 9 10 10 10
Portugal 10 9 10 10 10
Georgia 9 9 9 9 9
Indonesia 10 9 9 9 9
Honduras 10 9 9 9 8
Malta 10 9 10 9 8
Kyrgyz Republic 10 9 9 9 9
Italy 10 10 10 10 10
Turkmenistan 10 10 9 9 9
Belarus 10 10 10 11 10
Zimbabwe 10 10 9 9 9
Algeria 10 10 9 8 8
Vanuatu 10 10 9 9 9
Iraq 10 10 10 9 9
Cabo Verde 10 10 10 9 9
Uruguay 10 10 10 10 10
Romania 10 10 10 10 11
France 10 10 10 10 10
Slovak Republic 10 10 10 10 10
South Africa 10 10 10 9 9
Norway 10 10 10 10 11
Lithuania 10 10 11 11 11
Tajikistan 10 10 10 10 10
Morocco 11 10 10 9 9
Barbados 10 10 10 10 10
Nicaragua 11 10 10 10 9
Slovenia 10 10 11 11 10
Solomon Islands 10 10 11 11 11
Turkey 11 11 10 10 10
Namibia 11 11 10 10 10
Russian Federation 11 11 11 12 11
Denmark 11 11 11 11 11
Kenya 11 11 11 10 10
Sao Tome and Principe 11 11 11 11 11
Sweden 11 11 11 11 11
Croatia 11 11 12 12 11
Guatemala 11 11 11 10 10
Moldova 11 11 11 11 11
Bulgaria 11 11 11 11 12
St. Kitts and Nevis 10 11 11 11 10
El Salvador 11 11 11 11 10
Luxembourg 11 11 11 11 11
Ukraine 11 11 12 12 12
Belgium 11 11 12 11 11
Papua New Guinea 12 11 11 11 11
Egypt, Arab Rep. 12 12 11 11 10
Kiribati 12 12 11 11 11
Djibouti 12 12 12 11 11
United Kingdom 12 12 12 11 12
Estonia 12 12 12 13 13
Germany 12 12 12 12 12
Austria 12 12 12 12 12
Myanmar 12 12 12 12 11
Congo, Rep. 12 12 12 12 12
Mauritania 13 12 12 12 11
Swaziland 13 12 12 11 11
Pakistan 12 12 12 12 12
Latvia 13 12 13 13 13
Mongolia 13 12 12 12 12
Maldives 13 13 12 12 11
Czech Republic 13 13 13 13 13
India 13 13 13 12 12
Sudan 13 13 13 13 13
Iran, Islamic Rep. 13 13 13 12 12
Lesotho 14 13 13 13 12
Ghana 14 13 13 13 12
Hungary 14 14 14 14 14
Bangladesh 14 14 13 13 12
Gabon 14 14 13 13 12
Togo 14 14 14 13 13
Cote d'Ivoire 15 15 14 14 14
Comoros 15 15 14 14 13
Tanzania 15 15 15 15 15
Zambia 15 15 15 16 16
Cameroon 16 15 15 15 15
Bolivia 16 15 15 15 14
Yemen, Rep. 16 15 15 14 13
Senegal 16 16 15 14 14
Haiti 16 16 15 15 15
Lao PDR 16 16 16 16 15
Rwanda 17 16 15 15 15
Madagascar 17 16 16 16 16
Uganda 17 17 17 17 17
Central African Republic 17 17 17 17 17
Nepal 18 17 17 16 16
Bhutan 18 18 17 17 16
Gambia, The 18 18 17 17 16
Congo, Dem. Rep. 18 18 18 18 18
Burundi 18 18 18 18 18
Eritrea 19 18 18 18 17
Benin 19 18 18 17 17
Burkina Faso 19 19 18 18 17
Nigeria 19 19 19 18 18
Liberia 19 19 19 18 18
Somalia 20 19 19 19 19
Guinea-Bissau 20 20 20 19 19
Equatorial Guinea 21 20 20 20 20
Chad 21 20 20 20 20
Malawi 21 21 20 20 20
Afghanistan 22 21 20 20 19
Ethiopia 21 21 21 21 20
Guinea 23 22 22 21 20
Mozambique 22 23 22 22 22
Timor-Leste 25 23 22 20 19
Sierra Leone 24 24 24 24 24
Mali 25 24 23 23 22
South Sudan 24 24 24 24 23
Angola 24 24 24 24 24
Niger 25 25 24 24 24
Cambodia 36 28 22 17 14
Faeroe Islands 8
Tuvalu
West Bank and Gaza
Monaco
Turks and Caicos Islands
Isle of Man 17
Serbia
American Samoa
Curacao
Northern Mariana Islands
Andorra
Marshall Islands
Sint Maarten (Dutch part)
Cayman Islands
Bermuda 7
Palau
San Marino

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