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

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