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

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