Country name 1996 1997 1998 1999 2000
United Arab Emirates 1 1 1 1 1
Qatar 1 2 2 2 2
Eritrea 2 2 2 2 2
Kuwait 2 2 2 2 2
Timor-Leste 2 2 2 2 2
West Bank and Gaza 2 2 2 2 2
Oman 2 2 2 2 2
Afghanistan 2 2 2 2 2
Angola 2 2 2 2 2
Papua New Guinea 2 2 2 2 2
Bahrain 2 2 2 2 2
Niger 2 2 2 2 2
Brunei Darussalam 3 3 3 2 2
Rwanda 2 3 3 3 3
Sierra Leone 3 3 3 3 2
Zambia 3 3 3 3 3
Solomon Islands 3 3 3 3 3
Gambia, The 3 3 3 3 3
Kenya 3 3 3 3 3
Uganda 3 3 3 3 3
Botswana 3 3 3 3 3
Tanzania 3 3 3 3 3
Cote d'Ivoire 3 3 3 3 3
Swaziland 3 3 3 3 3
Nigeria 3 3 3 3 3
Burundi 3 3 3 3 3
Djibouti 3 3 3 3 3
Saudi Arabia 3 3 3 3 3
Congo, Dem. Rep. 3 3 3 3 3
South Sudan 3 3 3 3 3
Togo 3 3 3 3 3
Burkina Faso 3 3 3 3 3
Sudan 3 3 3 3 3
Chad 3 3 3 3 3
Comoros 3 3 3 3 3
Ghana 3 3 3 3 3
Madagascar 3 3 3 3 3
Liberia 3 3 3 3 3
Malawi 3 3 3 3 3
Somalia 3 3 3 3 3
Benin 3 3 3 3 3
Yemen, Rep. 3 3 3 3 3
Cambodia 3 3 3 3 3
Jordan 3 3 3 3 3
Mozambique 3 3 3 3 3
Ethiopia 3 3 3 3 3
Philippines 3 3 3 3 3
Senegal 3 3 3 3 3
Zimbabwe 3 3 3 3 3
Mauritania 3 3 3 3 3
Fiji 3 3 3 3 3
Maldives 3 3 3 4 4
Syrian Arab Republic 3 3 3 3 3
Namibia 3 3 3 3 3
Cameroon 3 3 3 3 3
Kiribati 3 3 3 3 3
Vanuatu 3 3 3 3 3
Guinea 4 3 3 3 3
Mali 4 4 3 3 3
Iraq 4 4 4 3 3
Lao PDR 4 4 4 4 4
Bangladesh 3 4 4 4 4
Guinea-Bissau 4 4 3 3 3
Bhutan 3 4 4 4 4
Libya 4 4 4 4 4
South Africa 4 4 4 4 4
Nicaragua 4 4 4 4 4
Micronesia, Fed. Sts. 4 4 4 4 4
Nepal 4 4 4 4 4
Congo, Rep. 4 4 4 4 4
Honduras 4 4 4 4 4
Malaysia 4 4 4 4 4
Guatemala 4 4 4 4 4
Tajikistan 4 4 4 4 4
Mongolia 4 4 4 4 4
French Polynesia 4 4 4 4 4
Algeria 4 4 4 4 4
Iran, Islamic Rep. 4 4 4 4 4
Equatorial Guinea 4 4 4 4 4
Central African Republic 4 4 4 4 4
Haiti 4 4 4 4 4
Pakistan 4 4 4 4 4
Venezuela, RB 4 4 4 4 4
Turkmenistan 4 4 4 4 4
India 4 4 4 4 4
Belize 4 4 4 4 4
Samoa 4 4 4 4 4
Paraguay 4 4 4 4 4
Indonesia 4 4 4 5 5
Lesotho 4 4 4 5 5
Uzbekistan 4 5 5 5 5
Colombia 4 5 5 5 5
Peru 4 5 5 5 5
Guyana 5 5 4 4 4
Myanmar 5 5 5 5 5
Sao Tome and Principe 5 5 5 5 5
Brazil 5 5 5 5 5
Ecuador 5 5 5 5 5
Dominican Republic 5 5 5 5 5
Cabo Verde 5 5 5 5 5
Mexico 5 5 5 5 5
Bahamas, The 5 5 5 5 5
Bolivia 5 5 5 5 5
Morocco 5 5 5 5 5
Guam 5 5 5 5 5
Egypt, Arab Rep. 5 5 5 5 5
Azerbaijan 5 5 5 5 6
El Salvador 5 5 5 5 6
Panama 5 5 5 5 6
Suriname 5 5 5 5 6
Costa Rica 5 5 5 6 6
Korea, Dem. People’s Rep. 5 5 6 6 6
New Caledonia 5 5 6 6 6
Turkey 5 5 6 6 6
Kyrgyz Republic 5 5 5 5 5
Tonga 5 6 6 6 6
Mauritius 5 6 6 6 6
Thailand 6 6 6 6 7
Gabon 6 6 6 6 6
Tunisia 6 6 6 7 7
Vietnam 6 6 6 6 6
Sri Lanka 6 6 6 6 6
China 6 6 6 6 7
Trinidad and Tobago 6 6 6 6 7
Korea, Rep. 6 6 7 7 7
Lebanon 6 7 7 7 7
Singapore 6 7 7 7 7
Albania 7 7 7 7 7
St. Vincent and the Grenadines 7 7 7 7 7
Aruba 7 7 7 7 8
Kazakhstan 7 7 7 7 7
Seychelles 7 7 7 8 8
Chile 7 7 7 8 8
Macao SAR, China 7 7 7 7 7
Virgin Islands (U.S.) 7 8 8 8 9
Jamaica 8 8 8 8 8
St. Lucia 8 8 8 8 8
Antigua and Barbuda 8 8 8 7 7
Grenada 8 8 8 8 8
Macedonia, FYR 8 9 9 9 9
Armenia 9 9 9 10 10
Curacao 9 9 10 10 10
Moldova 9 9 9 9 9
Cuba 9 9 10 10 10
Bosnia and Herzegovina 9 10 10 10 11
Argentina 10 10 10 10 10
Israel 10 10 10 10 10
Cyprus 10 10 10 10 10
Hong Kong SAR, China 10 10 10 11 11
Montenegro 10 10 11 11 12
Ireland 11 11 11 11 11
Puerto Rico 11 11 11 11 11
Barbados 11 11 11 11 12
Malta 11 11 11 11 12
Slovak Republic 11 11 11 11 11
Iceland 11 11 11 12 12
Poland 11 12 12 12 12
New Zealand 12 12 12 12 12
Georgia 12 12 12 12 13
Australia 12 12 12 12 12
Canada 12 12 12 12 13
Russian Federation 12 12 12 12 12
Serbia 12 12 13 13 14
United States 13 12 12 12 12
Romania 12 13 13 13 14
Uruguay 13 13 13 13 13
Belarus 13 13 13 13 13
Lithuania 13 13 13 14 14
Slovenia 13 13 13 14 14
Netherlands 13 13 13 13 14
Czech Republic 13 13 14 14 14
Ukraine 14 14 14 14 14
Luxembourg 14 14 14 14 14
Estonia 14 14 14 15 15
Latvia 14 14 15 15 15
Finland 14 15 15 15 15
Croatia 14 15 15 15 16
Hungary 15 15 15 15 15
Switzerland 15 15 15 15 15
Denmark 15 15 15 15 15
Austria 15 15 15 15 15
Portugal 15 15 16 16 16
Japan 15 15 16 17 17
France 15 16 16 16 16
Norway 16 16 16 15 15
Germany 16 16 16 16 16
Spain 15 16 16 16 17
Bulgaria 15 16 16 16 17
United Kingdom 16 16 16 16 16
Greece 16 16 16 17 17
Belgium 16 16 17 17 17
Italy 17 17 17 18 18
Sweden 17 17 17 17 17
Faroe Islands
Isle of Man
Northern Mariana Islands
Turks and Caicos Islands
St. Martin (French part)
Tuvalu
Liechtenstein
Greenland
Bermuda
American Samoa
Monaco
Cayman Islands
St. Kitts and Nevis
San Marino
Dominica
Palau
Andorra
Sint Maarten (Dutch part)
Marshall Islands

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