Country name 1984 1985 1986 1987 1988
Qatar 1 1 1 1 1
United Arab Emirates 1 1 1 1 1
Kuwait 1 1 1 1 1
Eritrea 2 2 2 2 2
Afghanistan 2 2 2 2 2
Timor-Leste 2 2 2 2 2
Niger 2 2 2 2 2
Rwanda 2 2 2 2 2
Papua New Guinea 2 2 2 2 2
Botswana 2 2 2 3 3
Oman 2 2 2 2 2
Djibouti 2 3 3 3 3
Malawi 3 3 3 3 3
Cote d'Ivoire 3 3 3 3 3
Bahrain 3 3 3 2 2
Saudi Arabia 3 3 3 3 3
Uganda 3 3 3 3 3
South Sudan 3 3 3 3 3
Ghana 3 3 3 3 3
Tanzania 3 3 3 3 3
Angola 3 3 3 3 3
Bhutan 3 3 3 3 3
Fiji 3 3 3 3 3
Maldives 3 3 3 3 3
Liberia 3 3 3 3 3
Zambia 3 3 3 3 3
Senegal 3 3 3 3 3
Swaziland 3 3 3 3 3
Yemen, Rep. 3 3 3 3 3
Nigeria 3 3 3 3 3
Brunei Darussalam 3 3 3 3 3
Nicaragua 3 3 3 3 3
Kenya 3 3 3 3 3
Libya 3 3 3 3 3
Syrian Arab Republic 3 3 3 3 3
Iran, Islamic Rep. 3 3 3 3 3
Congo, Dem. Rep. 3 3 3 3 3
Sudan 3 3 3 3 3
Solomon Islands 3 3 3 3 3
Samoa 3 3 3 3 4
Togo 3 3 3 3 3
Morocco 3 3 3 3 3
Cambodia 3 3 3 3 3
Gambia, The 3 3 3 3 3
Mauritania 3 3 3 3 3
French Polynesia 3 3 3 3 3
Zimbabwe 3 3 3 3 3
Ethiopia 3 3 3 3 3
Guatemala 3 3 3 3 3
Mozambique 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
Burundi 3 3 3 3 3
Madagascar 3 3 3 3 3
Honduras 3 3 3 3 3
Comoros 3 3 3 3 3
Vanuatu 3 3 3 3 4
Somalia 3 3 3 3 3
Algeria 3 3 3 3 3
Guinea 3 3 3 3 3
Burkina Faso 3 3 3 3 3
Guam 3 3 4 4 4
Dominican Republic 3 3 3 4 4
Nepal 3 3 3 3 3
Chad 3 3 3 3 3
Venezuela, RB 3 3 3 4 4
Guinea-Bissau 3 3 3 3 3
Namibia 3 3 3 3 3
Kiribati 3 4 4 4 4
Jordan 4 4 4 4 3
Bolivia 4 4 4 4 4
Lao PDR 4 4 4 4 4
Micronesia, Fed. Sts. 4 4 4 4 4
Cameroon 4 4 4 4 4
Malaysia 4 4 4 4 4
Indonesia 4 4 4 4 4
Mali 4 4 4 4 4
Benin 4 4 4 3 3
Bangladesh 4 4 4 4 4
Tunisia 4 4 4 4 4
Tonga 4 4 4 4 4
Congo, Rep. 4 4 4 4 4
Peru 4 4 4 4 4
India 4 4 4 4 4
Pakistan 4 4 4 4 4
Korea, Dem. Rep. 4 4 4 4 4
Paraguay 4 4 4 4 4
Thailand 4 4 4 4 4
Mexico 4 4 4 4 4
Turkmenistan 4 4 4 4 4
Colombia 4 4 4 4 4
Myanmar 4 4 4 4 4
Mauritius 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
El Salvador 4 4 4 4 4
Lesotho 4 4 4 4 4
Tajikistan 4 4 4 4 4
Ecuador 4 4 4 4 4
Brazil 4 4 4 4 4
Bahamas, The 4 4 4 4 4
Korea, Rep. 4 4 4 5 5
Belize 4 4 4 4 4
Guyana 4 4 5 5 5
Mongolia 4 4 4 4 4
Panama 4 4 4 5 5
Turkey 4 4 4 4 4
Suriname 4 4 4 5 5
Uzbekistan 5 4 4 4 4
New Caledonia 5 5 5 5 5
Egypt, Arab Rep. 5 5 5 5 5
Sri Lanka 5 5 5 5 5
Sao Tome and Principe 5 5 5 5 4
Virgin Islands (U.S.) 5 5 5 5 6
Azerbaijan 5 5 5 5 4
Albania 5 5 5 5 5
Costa Rica 5 5 5 5 5
Cabo Verde 5 5 5 5 5
Equatorial Guinea 5 5 5 5 5
Lebanon 5 5 5 5 6
Singapore 5 5 5 5 5
St. Lucia 5 5 6 6 7
Kyrgyz Republic 5 5 5 5 5
Vietnam 5 5 6 6 6
Armenia 6 5 5 5 5
China 6 6 6 6 6
Trinidad and Tobago 6 6 6 6 6
St. Vincent and the Grenadines 6 6 6 6 6
Kazakhstan 6 6 6 6 6
Chile 6 6 6 6 6
Bosnia and Herzegovina 6 6 6 6 6
Gabon 6 6 6 6 6
Antigua and Barbuda 6 6 7 7 7
Grenada 6 6 6 7 7
Macedonia, FYR 6 6 6 7 7
Curacao 6 7 7 7 7
Jamaica 7 7 7 7 7
Seychelles 7 7 7 7 7
Aruba 7 7 7 8 8
Hong Kong SAR, China 7 8 8 8 8
Moldova 8 8 8 8 8
Macao SAR, China 8 7 7 7 7
Montenegro 8 8 8 8 8
Cuba 8 9 9 9 9
Puerto Rico 9 9 9 9 9
Argentina 9 9 9 9 9
Israel 9 9 9 9 9
Georgia 9 9 9 9 9
Malta 9 9 9 9 9
Slovak Republic 9 9 9 9 10
Poland 9 9 9 9 10
Romania 10 10 10 10 10
Cyprus 10 10 10 10 10
Russian Federation 10 10 10 10 10
Japan 10 10 10 11 11
Croatia 10 10 10 10 11
Slovenia 10 10 10 10 10
Canada 10 10 10 11 11
Belarus 10 10 10 10 10
Iceland 10 10 10 10 10
Australia 10 10 10 11 11
New Zealand 10 10 10 11 11
Lithuania 11 10 10 10 11
Barbados 11 11 10 10 10
Ireland 11 11 11 11 11
Uruguay 11 11 11 11 11
Ukraine 11 11 11 11 12
Bulgaria 11 11 12 12 12
Estonia 12 11 11 11 11
Spain 12 12 12 13 13
United States 12 12 12 12 12
Netherlands 12 12 12 12 12
Czech Republic 12 12 12 12 12
Portugal 12 12 12 13 13
Latvia 12 12 12 12 12
Hungary 12 12 12 12 13
Finland 12 12 13 13 13
France 13 13 13 13 14
Italy 13 13 13 14 14
Greece 13 13 13 13 13
Luxembourg 13 13 13 13 13
Belgium 14 14 14 14 14
Switzerland 14 14 14 14 14
Austria 14 14 14 14 15
Germany 15 14 14 14 15
Denmark 15 15 15 15 16
United Kingdom 15 15 15 15 15
Norway 15 16 16 16 16
Sweden 17 17 17 18 18
Serbia
Cayman Islands
Marshall Islands
Bermuda
Kosovo
Greenland
Palau
Northern Mariana Islands
Monaco
Turks and Caicos Islands
Faeroe Islands
Tuvalu
Isle of Man
St. Martin (French part)
Liechtenstein
St. Kitts and Nevis
San Marino
Dominica
West Bank and Gaza
Andorra
Sint Maarten (Dutch part)
American Samoa

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