Country name 1989 1990 1991 1992 1993
United Arab Emirates 1 1 1 1 1
Qatar 1 1 1 1 1
Eritrea 2 2 2 2 2
Kuwait 1 1 2 2 2
Afghanistan 2 2 2 2 2
Timor-Leste 2 2 2 2 2
West Bank and Gaza 2 2 2 2
Rwanda 2 2 2 2 2
Oman 2 2 2 2 2
Bahrain 2 2 2 2 2
Papua New Guinea 2 2 2 2 2
Niger 2 2 2 2 2
Angola 3 3 3 3 3
Saudi Arabia 3 3 3 3 3
Djibouti 3 3 3 3 3
Brunei Darussalam 3 3 3 3 3
Botswana 3 3 3 3 3
Uganda 3 3 3 3 3
Kenya 3 3 3 3 3
Solomon Islands 3 3 3 3 3
Swaziland 3 3 3 3 3
Gambia, The 3 3 3 3 3
Tanzania 3 3 3 3 3
South Sudan 3 3 3 3 3
Cote d'Ivoire 3 3 3 3 3
Zambia 3 3 3 3 3
Malawi 3 3 3 3 3
Sierra Leone 3 3 3 3 3
Ghana 3 3 3 3 3
Nigeria 3 3 3 3 3
Congo, Dem. Rep. 3 3 3 3 3
Burundi 3 3 3 3 3
Yemen, Rep. 3 3 3 3 3
Sudan 3 3 3 3 3
Fiji 3 3 3 3 3
Maldives 3 3 3 3 3
Togo 3 3 3 3 3
Liberia 3 3 3 3 3
Madagascar 3 3 3 3 3
Senegal 3 3 3 3 3
Zimbabwe 3 3 3 3 3
Syrian Arab Republic 3 3 3 3 3
Bhutan 3 3 3 3 3
Philippines 3 3 3 3 3
Ethiopia 3 3 3 3 3
Jordan 3 3 3 3 3
Mauritania 3 3 3 3 3
Chad 3 3 3 3 3
Somalia 3 3 3 3 3
Comoros 3 3 3 3 3
Burkina Faso 3 3 3 3 3
Mozambique 3 3 3 3 3
Benin 3 3 3 3 3
Algeria 3 3 3 3 3
Nicaragua 3 3 3 3 3
South Africa 3 3 3 3 3
Guinea-Bissau 3 3 3 3 3
Cambodia 3 3 3 3 3
Libya 3 3 3 3 3
Namibia 3 3 3 3 3
French Polynesia 3 3 3 3 3
Honduras 3 3 3 3 4
Guatemala 3 3 3 3 4
Cameroon 4 4 4 3 3
Iran, Islamic Rep. 3 3 3 3 4
Guinea 3 3 3 4 4
Kiribati 4 4 4 4 4
Lao PDR 4 4 4 4 4
Micronesia, Fed. Sts. 4 4 4 4 4
Nepal 3 3 4 4 4
Vanuatu 4 4 4 4 4
Malaysia 4 4 4 4 4
Congo, Rep. 4 4 4 4 4
Morocco 3 3 4 4 4
Iraq 4 4 4 4 4
Bolivia 4 4 4 4 4
Bangladesh 4 4 4 4 4
Pakistan 4 4 4 4 4
Tajikistan 4 4 4 4 4
Venezuela, RB 4 4 4 4 4
Turkmenistan 4 4 4 4 4
Indonesia 4 4 4 4 4
Haiti 4 4 4 4 4
India 4 4 4 4 4
Mali 4 4 4 4 4
Mongolia 4 4 4 4 4
Samoa 4 4 4 4 4
Central African Republic 4 4 4 4 4
Uzbekistan 4 4 4 4 4
Peru 4 4 4 4 4
Dominican Republic 4 4 4 4 4
Paraguay 4 4 4 4 4
Lesotho 4 4 4 4 4
Guam 4 4 4 4 4
Azerbaijan 4 4 4 4 4
Belize 4 4 4 4 4
Equatorial Guinea 5 4 4 4 4
Myanmar 4 4 4 4 4
Sao Tome and Principe 4 4 4 4 4
Colombia 4 4 4 4 4
Mexico 4 4 4 4 4
Bahamas, The 4 4 4 4 4
Ecuador 4 4 4 4 5
Tunisia 4 4 4 5 5
Korea, Dem. Rep. 4 4 4 5 5
Brazil 4 4 5 5 5
El Salvador 5 5 5 5 5
Turkey 4 5 5 5 5
Tonga 4 4 5 5 5
Cabo Verde 5 5 5 5 5
Thailand 4 4 5 5 5
Panama 5 5 5 5 5
Mauritius 5 5 5 5 5
Suriname 5 5 5 5 5
Egypt, Arab Rep. 5 5 5 5 5
New Caledonia 5 5 5 5 5
Costa Rica 5 5 5 5 5
Guyana 5 5 5 5 5
Kyrgyz Republic 5 5 5 5 5
Albania 5 5 5 5 5
Korea, Rep. 5 5 5 5 5
Sri Lanka 5 5 6 6 6
Vietnam 6 6 6 6 6
Singapore 6 6 6 6 6
Trinidad and Tobago 6 6 6 6 6
China 6 6 6 6 6
Gabon 6 6 6 6 6
Lebanon 6 6 6 6 6
Chile 6 6 6 6 6
Kazakhstan 6 6 6 6 7
St. Vincent and the Grenadines 6 6 6 6 6
Virgin Islands (U.S.) 6 6 6 6 7
Armenia 5 6 6 7 7
Bosnia and Herzegovina 6 6 6 7 7
Macao SAR, China 7 7 7 7 7
Seychelles 7 7 7 7 7
Jamaica 7 7 7 7 7
Aruba 8 8 8 7 7
St. Lucia 7 7 8 8 8
Macedonia, FYR 7 7 8 8 8
Curacao 7 8 8 8 8
Grenada 8 8 8 8 8
Montenegro 8 8 8 8 9
Antigua and Barbuda 8 8 8 8 9
Moldova 8 8 8 9 9
Cuba 9 9 9 9 9
Hong Kong SAR, China 9 9 9 9 9
Israel 9 9 9 9 9
Argentina 9 9 9 9 9
Malta 9 9 9 9 10
Cyprus 10 10 10 10 10
Puerto Rico 10 10 10 10 10
Georgia 9 9 10 10 10
Serbia 9 10 10 10
Barbados 10 10 10 10 10
Poland 10 10 10 11 11
Slovak Republic 10 10 10 11 11
Iceland 11 11 11 11 11
Russian Federation 10 10 11 11 11
Romania 10 11 11 11 11
New Zealand 11 11 11 11 11
Slovenia 10 11 11 11 12
Belarus 10 11 11 11 12
Lithuania 11 11 11 11 12
Australia 11 11 11 11 12
Ireland 11 11 11 11 11
Canada 11 11 11 12 12
Uruguay 11 12 12 12 12
Estonia 11 12 12 12 13
Croatia 11 12 12 12 13
Latvia 12 12 12 12 13
United States 12 12 13 13 13
Ukraine 12 12 12 13 13
Japan 12 12 12 13 13
Netherlands 13 13 13 13 13
Czech Republic 12 13 13 13 13
Luxembourg 13 13 13 14 14
Finland 13 13 14 14 14
Hungary 13 14 14 14 14
Bulgaria 13 13 14 14 14
Portugal 13 14 14 14 14
Greece 14 14 14 14 15
Spain 13 14 14 14 15
France 14 14 14 15 15
Switzerland 14 15 15 15 15
Germany 15 15 15 15 15
Austria 15 15 15 15 15
Belgium 15 15 15 15 16
Denmark 16 16 16 16 15
Italy 15 15 15 16 16
United Kingdom 16 16 16 16 16
Norway 16 16 16 16 16
Sweden 18 18 18 18 18
Palau
Dominica
Isle of Man
Cayman Islands
Northern Mariana Islands
Turks and Caicos Islands
Sint Maarten (Dutch part)
Tuvalu
Faeroe Islands
Monaco
Kosovo
St. Martin (French part)
Greenland
Andorra
San Marino
St. Kitts and Nevis
Liechtenstein
Marshall Islands
Bermuda
American Samoa

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