Country name 2005 2006 2007 2008
Ireland 2 2 2 2
Panama 3 3 3 3
Sweden 3 3 3 3
Canada 3 3 3 3
Singapore 3 3 3 3
Denmark 3 3 3 3
Italy 3 3 3 3
Guatemala 4 4 8 7
Germany 4 4 4 4
Estonia 4 4 4 4
United Kingdom 4 4 4 4
Belgium 4 4 4 4
Switzerland 4 4 4 4
Israel 4 4 4 4
Poland 4 4 4 4
Mexico 4 4 4 4
Iceland 4 4 4 4
Austria 4 4 4 4
Malaysia 4 4 4 4
Portugal 4 4 4 4
Seychelles 5 5 5 5
Lithuania 5 5 5 5
Chile 5 5 5 5
Latvia 5 5 6 6
Marshall Islands 5 5 5 5
United States 5 5 5 5
Antigua and Barbuda 5 5 5 5
Finland 5 5 5 5
Spain 5 5 5 5
Solomon Islands 5 5 5 5
Costa Rica 5 5 5 5
Japan 5 5 5 5
Norway 5 5 5 5
Netherlands 5 5 5 5
Czech Republic 6 6 6 6
Hungary 6 6 6 6
Guinea-Bissau 6 6 6 6
Suriname 6 6 6 6
St. Vincent and the Grenadines 6 6 6 6
Equatorial Guinea 6 6 6 6
Greece 6 6 6 6
Kiribati 6 6 6 6
Grenada 6 6 6 6
Slovak Republic 6 6 6 6
Samoa 6 6 6 6
Armenia 6 6 8 8
Tunisia 6 6 6 6
West Bank and Gaza 6 6 6 6
Mauritius 6 6 5 5
Tonga 6 6 6 6
Argentina 6 6 6 6
China 6 6 6 6
Colombia 6 6 6 6
New Zealand 6 6 6 6
Bolivia 6 6 6 6
Micronesia, Fed. Sts. 6 6 6 6
Belize 7 7 7 7
Uruguay 7 7 7 7
Ghana 7 7 7 7
St. Kitts and Nevis 7 7 7 7
Australia 7 7 7 7
Nicaragua 7 5 5 5
South Africa 7 7 7 7
Namibia 7 7 7 7
Slovenia 7 7 7 7
Guyana 7 7 7 7
Gambia, The 7 7 7 7
Vanuatu 7 7 7 7
Gabon 7 7 7 8
Peru 7 7 7 7
Cabo Verde 7 7 7 7
Ecuador 7 7 7 6
Sao Tome and Principe 7 7 7 7
Croatia 7 7 7 7
Timor-Leste 7 7 7 7
Serbia 7 7 7 7
Swaziland 7 7 7 7
United Arab Emirates 7 7 7 7
Sudan 7 7 7 7
Botswana 7 7 7 7
Bosnia and Herzegovina 7 7 8 8
Pakistan 8 8 8 8
Oman 8 8 8 8
Philippines 8 8 8 8
Lesotho 8 8 8 8
Puerto Rico 8 8 8 8
Morocco 8 8 8 7
Korea, Rep. 8 8 6 6
Moldova 8 8 8 8
Mauritania 8 8 8 8
Saudi Arabia 8 8 7 7
St. Lucia 8 8 8 8
Brazil 8 8 8 8
Bulgaria 8 8 5 5
Ukraine 8 8 8 8
Benin 8 8 8 8
Bangladesh 8 8 8 8
Albania 8 8 8 8
Angola 8 8 8 8
Vietnam 8 8 8 8
Dominica 8 8 8 8
Congo, Dem. Rep. 8 9 9 9
Hong Kong SAR, China 8 3 3 3
Honduras 8 8 8 7
Indonesia 8 8 8 8
Papua New Guinea 9 9 9 9
Paraguay 9 9 9 9
Guinea 9 9 9 9
Mozambique 9 9 9 9
Palau 9 9 9 9
Algeria 9 9 9 9
Jamaica 9 7 7 7
Zimbabwe 9 9 9 9
Zambia 9 9 9 9
Yemen, Rep. 9 9 9 9
Maldives 9 9 9 9
Cameroon 9 9 9 10
El Salvador 9 9 9 7
Dominican Republic 9 9 6 6
Macedonia, FYR 9 9 9 8
Sierra Leone 9 9 9 9
Syrian Arab Republic 9 9 9 9
Iran, Islamic Rep. 10 10 10 10
Afghanistan 10 10 10 10
Niger 10 10 10 10
Fiji 10 10 10 10
Ethiopia 10 10 10 10
Togo 10 7 7 7
Cote d'Ivoire 10 10 10 10
Sri Lanka 10 10 7 7
Kuwait 10 10 10 10
Trinidad and Tobago 10 10 10 10
Comoros 10 10 10 10
Burkina Faso 10 10 10 10
Iraq 10 10 10 10
Belarus 10 10 10 10
Chad 10 10 10 10
Haiti 10 10 10 10
Congo, Rep. 10 10 10 10
Senegal 11 11 11 5
Lebanon 11 11 7 7
Madagascar 11 11 10 9
Malawi 11 11 11 11
Azerbaijan 11 11 11 11
Egypt, Arab Rep. 11 10 10 10
Burundi 11 11 11 11
Cambodia 11 10 10 10
Mali 11 11 11 11
India 11 11 11 11
Nepal 11 11 11 11
Eritrea 12 12 12 12
Jordan 12 7 7 7
Thailand 12 12 9 5
Russian Federation 12 12 12 12
Bhutan 12 12 12 12
France 13 5 5 2
Venezuela, RB 13 12 9 9
Kazakhstan 13 13 13 13
Mongolia 13 13 13 13
Djibouti 13 13 6 5
Tajikistan 13 13 13 13
Turkey 13 13 8 8
Kenya 14 9 9 9
Uzbekistan 15 15 15 15
Georgia 15 7 7 7
Romania 15 6 6 6
Lao PDR 15 15 10 10
Tanzania 17 11 11 11
Central African Republic 17 17 17 17
Nigeria 17 13 13 13
Kyrgyz Republic 17 17 17 17
Uganda 20 20 10 10
Rwanda 21 21 10 11
Isle of Man
South Sudan
Cuba
Myanmar
Bahrain 8 8
Andorra
Sint Maarten (Dutch part)
Northern Mariana Islands
Cayman Islands
Bahamas, The 5 5
Liberia 12 12 12
Malta
Kosovo
French Polynesia
Somalia
Libya
Curacao
Qatar 7 7
Korea, Dem. Rep.
Turks and Caicos Islands
New Caledonia
Macao SAR, China
Turkmenistan
Barbados
Tuvalu
Faeroe Islands
Liechtenstein
Brunei Darussalam 5 5 5
San Marino
Bermuda
Luxembourg 4 4 4
Montenegro 6 6 6
Cyprus 7
Monaco
St. Martin (French part)
Virgin Islands (U.S.)
Guam
Aruba
Greenland
American Samoa

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