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

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