Country name 2004 2005 2006 2007 2008
Palau 1 1 1 1 1
Syrian Arab Republic 1 1 1 1 1
Afghanistan 1 1 1 1 1
Bolivia 1 1 1 1 1
Djibouti 1 1 1 1
West Bank and Gaza 1 1 1 1 1
Eritrea 2 2 2 2 2
Madagascar 2 2 2 2 2
Belarus 3 3 2 2 2
Haiti 2 2 2 2 2
Jordan 2 2 2 2 2
Sao Tome and Principe 2 2 2 2 2
Rwanda 2 2 2 2 2
Timor-Leste 2 2 2 2 2
Uzbekistan 2 2 2 2 2
Yemen, Rep. 2 2 2 2 2
Venezuela, RB 2 2 2 2 2
Italy 3 3 3 3 3
Kazakhstan 3 3 3 3 3
Kuwait 3 3 3 3 3
Iraq 3 3 3 3 3
Dominican Republic 3 3 3 3 3
Gabon 3 3 3 3
Egypt, Arab Rep. 3 3 3 3 3
Guinea 3 3 3 3 3
Ecuador 3 3 3 3 3
Guinea-Bissau 3 3 3 3
Equatorial Guinea 3 3 3 3
Nicaragua 3 3 3 3 3
Saudi Arabia 3 3 3 3 3
Russian Federation 3 3 3 3 3
Senegal 3 3 3 3 3
Tajikistan 3 3 3 3
Tunisia 3 3 3 3 3
Togo 3 3 3 3 3
Qatar 3 3
Portugal 3 3 3 3 3
Morocco 3 3 3 3 3
Mauritania 3 3 3 3 3
Mozambique 3 3 3 3 3
Cote d'Ivoire 3 3 3 3 3
Paraguay 3 3 3 3 3
Niger 3 3 3 3 3
Mali 3 3 3 3 3
Lebanon 3 3 3 3 3
Brazil 3 3 3 3 3
Comoros 3 3 3 3
Congo, Dem. Rep. 3 3 3 3 3
Burkina Faso 3 3 3 3 3
Central African Republic 3 3 3 3 3
Chad 3 3 3 3 3
Bahrain 3 3
Benin 3 3 3 3 3
Cameroon 3 3 3 3 3
Angola 3 3 3 3 3
Costa Rica 3 3 3 3 3
Congo, Rep. 3 3 3 3 3
Burundi 2 2 3 3 3
Algeria 3 3 3 3 3
Bhutan 3 3 3 3 3
Cabo Verde 3 3 3 3
Liberia 4 4 4
Maldives 4 4 4 4 4
Seychelles 4 4 4 4
Guyana 4 4 4 4 4
Greece 4 4 4 4 4
Iran, Islamic Rep. 4 4 4 4 4
Oman 4 4 4 4 4
Philippines 4 4 4 4 4
Slovenia 5 5 5 5 4
Ethiopia 4 4 4 4 4
Luxembourg 4 4 4
Argentina 4 4 4 4 4
Turkey 4 4 4 4 4
Uruguay 4 4 4 4 4
United Arab Emirates 4 4 4 4 4
Suriname 4 4 4 4
Chile 4 4 4 4 4
Lao PDR 3 3 4 4 4
Solomon Islands 4 4 4 4 4
Sudan 4 4 4 4 4
Sri Lanka 3 3 3 3 4
Thailand 5 5 5 5 5
Bosnia and Herzegovina 3 5 5 5 5
Mexico 5 5 5 5 5
Sierra Leone 5 5 5 5 5
Colombia 5 5 5 5 5
Gambia, The 5 5 5 5
El Salvador 5 5 5 5 5
Panama 5 5 5 5 5
Papua New Guinea 5 5 5 5 5
Lithuania 5 5 5 5 5
Kiribati 5 5 5 5 5
China 3 3 3 4 5
Indonesia 5 5 5 5 5
Marshall Islands 5 5 5 5 5
Botswana 6 6 6 6 6
Samoa 6 6 6 6 6
Spain 6 6 6 6 6
Swaziland 6 6 6 6
Armenia 5 5 6 6 6
Azerbaijan 6 6 6 6 6
Belgium 6 6 6 6 6
Netherlands 6 6 6 6 6
Norway 6 6 6 6 6
Pakistan 6 6 6 6 6
Mauritius 6 6 6 6 6
Mongolia 6 6 6 6 6
Georgia 5 5 5 5 6
Estonia 6 6 6 6 6
Lesotho 6 6 6 6 6
Czech Republic 7 7 7 7 6
Honduras 6 6 6 6 6
Germany 8 8 8 8 7
Ghana 6 6 6 7 7
Austria 7 7 7 7 7
Serbia 6 6 7 7 7
Bangladesh 7 7 7 7 7
Hungary 7 7 7 7 7
Belize 7 7 7 7
Canada 7 7 7 7 7
Peru 3 3 7 7 7
Guatemala 4 4 4 4 7
France 4 4 6 7 7
Tonga 7 7 7 7 7
Antigua and Barbuda 7 7 7 7
Uganda 7 7 7 7 7
Croatia 4 5 6 7 7
Zimbabwe 7 7 7 7 7
Tanzania 7 7 7 7 7
Sweden 6 7 7 7 7
St. Kitts and Nevis 7 7 7 7
Iceland 7 7 7 7 7
St. Lucia 7 7 7 7
St. Vincent and the Grenadines 7 7 7 7
Fiji 7 7 7 7 7
South Africa 7 7 7 7 7
Grenada 7 7 7 7
Namibia 7 7 7 7 7
Malawi 7 7 7 7 7
Micronesia, Fed. Sts. 5 5 5 7 7
Japan 6 7 7 7 7
Kyrgyz Republic 6 6 7 7 7
Brunei Darussalam 7 7 7
Macedonia, FYR 7 7 7 7 7
Jamaica 8 8 8 8 8
Switzerland 8 8 8 8 8
Finland 8 8 8 8 8
Slovak Republic 8 8 8 8 8
Korea, Rep. 8 8 8 8 8
Moldova 8 8 8 8 8
Cambodia 0 0 0 0 8
Nepal 8 8 8 8 8
Vietnam 6 6 6 8 8
Poland 8 8 8 8 8
Vanuatu 5 5 5 5 8
India 6 6 7 8 8
Ukraine 5 9 9 9 9
United States 9 9 9 9 9
Nigeria 9 9 9 9 9
Ireland 9 9 9 9 9
Zambia 9 9 9 9 9
Albania 9 9 9 9 9
Dominica 9 9 9 9
Bahamas, The 9 9
Romania 8 8 8 9 9
Israel 9 9 9 9 9
Puerto Rico 9 9 9 9 9
Trinidad and Tobago 9 9 9 9
Cyprus 9
Australia 9 9 9 9 9
Bulgaria 9 9 9 9 9
Denmark 8 8 9 9 9
Malaysia 10 10 10 10 10
United Kingdom 10 10 10 10 10
Latvia 10 10 10 10 10
Kenya 10 10 10 10 10
New Zealand 10 10 10 10 10
Hong Kong SAR, China 10 10 10 10 10
Singapore 10 10 10 10 10
Montenegro 10 10 10
Turkmenistan
Virgin Islands (U.S.)
Faeroe Islands
St. Martin (French part)
Somalia
Barbados
Sint Maarten (Dutch part)
Tuvalu
Aruba
Isle of Man
Bermuda
Malta
Greenland
Cayman Islands
Monaco
Turks and Caicos Islands
Cuba
Myanmar
Kosovo
Curacao
American Samoa
New Caledonia
San Marino
Andorra
Macao SAR, China
Guam
Northern Mariana Islands
South Sudan
Liechtenstein
French Polynesia
Korea, Dem. Rep.
Libya

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