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

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