Country name 1980 1981 1982 1983 1984
United Arab Emirates 1 1 1 1 1
Qatar 2 1 1 1 1
Kuwait 2 2 1 1 1
Eritrea 2 2 2 2 2
Niger 2 2 2 2 2
Bahrain 2 2 2 2 3
Papua New Guinea 2 2 2 2 2
Timor-Leste 2 2 2 2 2
Afghanistan 2 2 2 2 2
Rwanda 2 2 2 2 2
Djibouti 2 2 2 2 2
Botswana 2 2 2 2 2
Bhutan 3 3 3 3 3
Cote d'Ivoire 3 3 3 3 3
Fiji 3 3 3 3 3
Malawi 3 3 3 3 3
South Sudan 3 3 3 3 3
Ghana 3 3 3 3 3
Tanzania 3 3 3 3 3
Uganda 3 3 3 3 3
Liberia 3 3 3 3 3
Maldives 3 3 3 3 3
Senegal 3 3 3 3 3
Angola 3 3 3 3 3
Oman 3 3 3 3 2
Swaziland 3 3 3 3 3
Nicaragua 3 3 3 3 3
Zambia 3 3 3 3 3
Samoa 3 3 3 3 3
Nigeria 3 3 3 3 3
Cambodia 3 3 3 3 3
Mauritania 3 3 3 3 3
Brunei Darussalam 3 3 3 3 3
Guam 3 3 3 3 3
Libya 3 3 3 3 3
Congo, Dem. Rep. 3 3 3 3 3
Togo 3 3 3 3 3
Syrian Arab Republic 3 3 3 3 3
Yemen, Rep. 3 3 3 3 3
Sudan 3 3 3 3 3
Iran, Islamic Rep. 3 3 3 3 3
Zimbabwe 3 3 3 3 3
Guatemala 3 3 3 3 3
Saudi Arabia 3 3 3 3 3
Mozambique 3 3 3 3 3
Vanuatu 3 3 3 3 3
Gambia, The 3 3 3 3 3
Kenya 3 3 3 3 3
Morocco 3 3 3 3 3
Dominican Republic 3 3 3 3 3
South Africa 3 3 3 3 3
Sierra Leone 3 3 3 3 3
Solomon Islands 3 3 3 3 3
Burkina Faso 3 3 3 3 3
Ethiopia 3 3 3 3 3
Philippines 3 3 3 3 3
Guinea 3 3 3 3 3
Jordan 3 3 3 3 4
Honduras 3 3 3 3 3
Comoros 3 3 3 3 3
Burundi 3 3 3 3 3
Venezuela, RB 3 3 3 3 3
Somalia 3 3 3 3 3
Tonga 3 3 3 4 4
French Polynesia 3 3 3 3 3
Nepal 3 3 3 3 3
Madagascar 3 3 3 3 3
Mali 3 3 4 4 4
Algeria 3 3 3 3 3
Tunisia 3 3 4 4 4
Namibia 3 3 3 3 3
Guinea-Bissau 3 3 3 3 3
Kiribati 3 3 3 3 3
Lao PDR 3 4 4 4 4
Chad 3 3 3 3 3
Bolivia 4 4 4 4 4
Korea, Dem. Rep. 4 4 4 4 4
Malaysia 4 4 4 4 4
Micronesia, Fed. Sts. 4 4 4 4 4
Indonesia 4 4 4 4 4
Mauritius 4 4 4 4 4
Peru 4 4 4 4 4
India 4 4 4 4 4
Bangladesh 4 4 4 4 4
Cameroon 4 4 4 4 4
Thailand 4 4 4 4 4
Congo, Rep. 4 4 4 4 4
Pakistan 4 4 4 4 4
Paraguay 4 4 4 4 4
Guyana 4 4 4 4 4
Mexico 4 4 4 4 4
Colombia 4 4 4 4 4
El Salvador 4 4 4 4 4
Myanmar 4 4 4 4 4
Korea, Rep. 4 4 4 4 4
Benin 4 4 4 4 4
Haiti 4 4 4 4 4
Lesotho 4 4 4 4 4
Iraq 4 4 4 4 4
Central African Republic 4 4 4 4 4
Ecuador 4 4 4 4 4
Bahamas, The 4 4 4 4 4
Panama 4 4 4 4 4
Brazil 4 4 4 4 4
Turkmenistan 4 4 4 4 4
Suriname 4 4 4 4 4
Sri Lanka 4 4 5 5 5
New Caledonia 4 4 4 5 5
Belize 4 4 4 4 4
Mongolia 4 4 4 4 4
Egypt, Arab Rep. 5 5 5 5 5
Virgin Islands (U.S.) 5 5 5 5 5
Tajikistan 5 4 4 4 4
Turkey 5 5 5 5 4
Singapore 5 5 5 5 5
Costa Rica 5 5 5 5 5
Sao Tome and Principe 5 5 5 5 5
Albania 5 5 5 5 5
China 5 5 5 5 6
St. Lucia 5 5 5 5 5
Uzbekistan 5 5 5 5 5
Cabo Verde 5 5 5 5 5
Vietnam 5 5 5 5 5
Azerbaijan 5 5 5 5 5
Lebanon 5 5 5 5 5
Antigua and Barbuda 5 6 6 6 6
Trinidad and Tobago 5 6 6 6 6
Chile 6 6 6 6 6
St. Vincent and the Grenadines 6 6 6 6 6
Kyrgyz Republic 6 6 6 5 5
Hong Kong SAR, China 6 6 7 7 7
Bosnia and Herzegovina 6 6 6 6 6
Armenia 6 6 6 6 6
Equatorial Guinea 6 6 6 5 5
Curacao 6 6 6 6 6
Kazakhstan 6 6 6 6 6
Gabon 6 6 6 6 6
Macedonia, FYR 7 7 6 6 6
Seychelles 7 7 7 7 7
Jamaica 7 7 7 7 7
Aruba 7 7 7 7 7
Grenada 7 7 7 6 6
Moldova 8 8 8 8 8
Cuba 8 8 8 8 8
Puerto Rico 8 8 8 8 9
Montenegro 8 8 8 8 8
Argentina 8 8 8 8 9
Macao SAR, China 9 9 8 8 8
Israel 9 9 9 9 9
Japan 9 9 9 10 10
Georgia 9 9 9 9 9
Malta 9 9 9 9 9
Cyprus 9 9 10 10 10
Canada 9 10 10 10 10
Australia 10 10 10 10 10
New Zealand 10 10 10 10 10
Iceland 10 10 10 10 10
Russian Federation 10 10 10 10 10
Poland 10 10 10 10 9
Romania 10 10 10 10 10
Uruguay 11 11 11 11 11
Slovak Republic 11 10 10 10 9
Croatia 11 10 10 10 10
Barbados 11 11 11 11 11
Belarus 11 11 10 10 10
Ireland 11 11 11 11 11
Spain 11 11 11 12 12
United States 11 11 12 12 12
Lithuania 11 11 11 11 11
Slovenia 11 11 11 10 10
Netherlands 11 12 12 12 12
Portugal 12 12 12 12 12
Bulgaria 12 12 12 11 11
Ukraine 12 12 12 12 11
Finland 12 12 12 12 12
Estonia 13 12 12 12 12
Latvia 13 13 13 12 12
Greece 13 13 13 13 13
Italy 13 13 13 13 13
Czech Republic 14 13 13 12 12
Hungary 14 13 13 13 12
Luxembourg 14 14 14 13 13
Switzerland 14 14 14 14 14
France 14 14 14 13 13
Denmark 14 15 15 15 15
Belgium 14 14 14 14 14
Norway 15 15 15 15 15
United Kingdom 15 15 15 15 15
Austria 16 15 15 14 14
Germany 16 15 15 15 15
Sweden 16 17 17 17 17
Andorra
Serbia
Bermuda
Monaco
St. Kitts and Nevis
Cayman Islands
Faeroe Islands
San Marino
Palau
Northern Mariana Islands
St. Martin (French part)
Marshall Islands
Sint Maarten (Dutch part)
Greenland
Liechtenstein
Turks and Caicos Islands
Isle of Man
Tuvalu
West Bank and Gaza
Dominica
American Samoa
Taiwan, China

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