Country name 2005 2006 2007 2008
Ireland 2 2 2 2
Estonia 3 3 3 3
Austria 3 3 3 3
Japan 3 3 3 3
Italy 3 3 3 3
Singapore 3 3 3 3
Canada 3 3 3 3
Sweden 3 3 3 3
Panama 3 3 3 3
Switzerland 3 3 3 3
United States 3 3 3 3
Netherlands 4 4 4 4
Mexico 4 4 4 4
Mauritius 4 4 4 4
Lithuania 4 4 4 4
Malaysia 4 4 4 4
Colombia 4 4 4 4
Indonesia 4 4 4 4
Denmark 4 4 4 4
Germany 4 4 4 4
Finland 4 4 4 4
Czech Republic 4 4 4 4
Greece 4 4 4 4
Iceland 4 4 4 4
Grenada 4 4 4 4
Israel 4 4 4 4
New Zealand 4 4 4 4
Portugal 4 4 4 4
Belgium 4 4 4 4
Sri Lanka 4 4 5 5
Tunisia 4 4 4 4
United Arab Emirates 4 4 4 4
Spain 4 4 4 4
Norway 4 4 4 4
United Kingdom 4 4 4 4
St. Kitts and Nevis 4 4 4 4
Trinidad and Tobago 5 5 5 5
Vietnam 5 5 5 5
Gabon 5 5 5 6
Slovenia 5 5 5 5
St. Vincent and the Grenadines 5 5 5 5
Honduras 5 5 5 5
Saudi Arabia 5 5 5 5
Poland 5 5 5 5
Marshall Islands 5 5 5 5
Peru 5 5 5 5
Micronesia, Fed. Sts. 5 5 5 5
Palau 5 5 5 5
Puerto Rico 5 5 5 5
Samoa 5 5 5 5
Jamaica 5 6 6 6
Jordan 5 5 5 5
Korea, Rep. 5 5 4 4
Latvia 5 5 5 5
Seychelles 5 5 5 5
Lebanon 5 5 4 4
Chile 5 5 5 5
Antigua and Barbuda 5 5 5 5
Australia 5 5 5 5
Costa Rica 5 5 5 5
Belize 5 5 5 5
Brazil 6 6 6 6
Kiribati 6 6 6 6
Uruguay 6 6 6 6
Hong Kong SAR, China 6 3 3 3
Botswana 6 6 6 6
Hungary 6 6 6 6
Bangladesh 6 6 6 6
Ukraine 6 6 6 6
Tonga 6 6 6 6
Morocco 6 6 6 5
Cambodia 6 9 9 9
St. Lucia 6 6 6 6
Armenia 6 6 6 6
Argentina 6 6 6 6
Nicaragua 6 5 5 5
Timor-Leste 6 6 6 6
Bulgaria 6 6 4 4
Philippines 6 6 6 6
Bosnia and Herzegovina 6 6 8 8
Yemen, Rep. 6 6 6 6
Vanuatu 6 6 6 6
Serbia 6 6 6 6
Ghana 6 6 6 6
West Bank and Gaza 6 6 6 6
Dominican Republic 6 6 5 5
Gambia, The 6 6 6 6
Guinea-Bissau 6 6 6 6
Dominica 6 6 6 6
El Salvador 6 6 7 7
Guyana 6 6 6 6
Zimbabwe 7 7 7 7
Solomon Islands 7 7 7 7
France 7 4 4 2
South Africa 7 7 7 7
Romania 7 5 5 5
Equatorial Guinea 7 7 7 7
Cabo Verde 7 7 7 7
Moldova 7 7 7 7
Mali 7 7 7 7
Maldives 7 7 7 7
Slovak Republic 7 7 7 7
Mozambique 7 7 7 7
Ethiopia 7 7 7 7
Macedonia, FYR 7 7 7 6
Kuwait 7 7 7 7
Iran, Islamic Rep. 7 7 7 7
Papua New Guinea 7 7 7 7
Sudan 7 7 7 7
Paraguay 7 7 7 7
Bolivia 7 7 7 7
Guinea 7 7 7 7
Guatemala 7 7 9 8
Croatia 7 7 7 7
Zambia 7 7 7 7
Albania 7 7 7 7
Chad 7 7 7 7
Kenya 7 8 8 8
Oman 7 7 7 7
Benin 7 7 7 7
Niger 8 8 8 8
Namibia 8 8 8 8
Pakistan 8 8 8 8
Sierra Leone 8 8 8 7
Egypt, Arab Rep. 8 8 8 8
Lesotho 8 8 8 8
China 8 8 8 8
Togo 8 6 6 6
Central African Republic 8 8 8 8
Congo, Dem. Rep. 8 8 8 8
Haiti 8 8 8 8
Ecuador 8 8 8 7
Venezuela, RB 8 7 8 8
Sao Tome and Principe 8 8 8 8
Turkey 8 8 7 7
Suriname 8 8 8 8
Swaziland 8 8 8 8
Syrian Arab Republic 8 8 8 8
Mauritania 8 8 8 8
Cote d'Ivoire 9 9 9 9
India 9 9 9 9
Bhutan 9 9 9 9
Fiji 9 9 9 9
Georgia 9 8 8 8
Thailand 9 9 7 5
Azerbaijan 9 9 9 9
Comoros 9 9 9 9
Tanzania 9 7 7 7
Madagascar 9 9 5 5
Algeria 9 9 8 8
Burundi 9 9 9 9
Cameroon 9 9 9 9
Belarus 9 9 9 9
Russian Federation 10 10 10 10
Eritrea 10 10 10 10
Iraq 10 10 10 10
Nigeria 10 9 9 9
Angola 10 10 10 10
Afghanistan 10 10 10 10
Senegal 11 11 11 6
Nepal 11 11 11 11
Malawi 11 11 11 11
Burkina Faso 11 11 11 11
Mongolia 11 11 11 11
Kazakhstan 11 11 11 11
Congo, Rep. 11 11 11 11
Uganda 12 12 7 7
Lao PDR 12 12 10 10
Tajikistan 12 12 12 12
Rwanda 13 13 8 8
Uzbekistan 13 13 13 13
Djibouti 14 14 8 5
Kyrgyz Republic 15 15 15 15
Andorra
Turkmenistan
Myanmar
Somalia
New Caledonia
South Sudan
Bahamas, The 5 5
Korea, Dem. Rep.
Montenegro 7 7 7
Tuvalu
Brunei Darussalam 5 5 5
Curacao
Isle of Man
Monaco
St. Martin (French part)
Virgin Islands (U.S.)
Aruba
Bahrain 7 7
Sint Maarten (Dutch part)
Kosovo
Malta
Barbados
Northern Mariana Islands
Turks and Caicos Islands
Macao SAR, China
Qatar 5 5
Luxembourg 5 5 5
Cayman Islands
American Samoa
San Marino
Cuba
Liechtenstein
Guam
Libya
Greenland
French Polynesia
Cyprus 5
Liberia 10 10 10
Bermuda
Faeroe Islands

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