Country name 2006 2007 2008 2009 2010
Ireland 2 2 2 2 2
Guatemala 3 7 6 6 6
Singapore 3 3 3 3 3
Canada 3 3 3 3 3
Italy 3 3 3 3 3
Denmark 3 3 3 3 3
Hong Kong SAR, China 3 3 3 3 3
Panama 3 3 3 3 3
Sweden 3 3 3 3 3
Switzerland 4 4 4 4 4
Estonia 4 4 4 4 4
Belgium 4 4 4 4 4
Malaysia 4 4 4 4 4
Israel 4 4 4 4 4
Iceland 4 4 4 4 4
United Kingdom 4 4 4 4 4
Mexico 4 4 4 4 4
Germany 4 4 4 4 4
Portugal 4 4 4 4 4
Luxembourg 4 4 4 4 4
Austria 4 4 4 4 4
Poland 4 4 4 4 4
Spain 5 5 5 5 4
Japan 5 5 5 5 5
Chile 5 5 5 5 5
France 5 5 2 2 2
Costa Rica 5 5 5 5 5
Latvia 5 6 6 6 6
Finland 5 5 5 5 5
Brunei Darussalam 5 5 5 5 5
Seychelles 5 5 5 5 5
Marshall Islands 5 5 5 5 5
Antigua and Barbuda 5 5 5 5 5
Netherlands 5 5 5 5 5
Solomon Islands 5 5 5 5 5
United States 5 5 5 5 5
Norway 5 5 5 5 5
Nicaragua 5 5 5 5 5
Slovak Republic 5 5 5 5 5
Lithuania 5 5 5 5 5
Gambia, The 6 6 6 6 6
Romania 6 6 6 6 6
New Zealand 6 6 6 6 6
Greece 6 6 6 6 6
Montenegro 6 6 6 6 5
Guinea-Bissau 6 6 6 6 6
St. Vincent and the Grenadines 6 6 6 6 6
Equatorial Guinea 6 6 6 6 6
Kiribati 6 6 6 6 6
Mauritius 6 5 5 5 5
Hungary 6 6 6 6 6
Samoa 6 6 6 6 6
Sao Tome and Principe 6 6 6 6 6
Micronesia, Fed. Sts. 6 6 6 6 6
Grenada 6 6 6 6 6
Suriname 6 6 6 6 6
Colombia 6 6 6 6 6
Armenia 6 8 8 9 8
Czech Republic 6 6 6 6 6
Bolivia 6 6 6 6 6
Tunisia 6 6 6 6 6
China 6 6 6 5 5
Tonga 6 6 6 6 6
West Bank and Gaza 6 6 6 6 6
Argentina 6 6 6 6 6
United Arab Emirates 7 7 7 5 5
South Africa 7 7 7 7 7
Cabo Verde 7 7 7 7 7
Peru 7 7 7 7 7
Jordan 7 7 7 7 7
St. Kitts and Nevis 7 7 7 7 7
Botswana 7 7 7 7 7
Vanuatu 7 7 7 7 7
Australia 7 7 7 7 7
Morocco 7 7 6 6 6
Uruguay 7 7 7 7 7
Namibia 7 7 7 7 7
Bosnia and Herzegovina 7 8 8 8 8
Belize 7 7 7 7 7
Serbia 7 7 7 7 7
Slovenia 7 7 7 7 7
Jamaica 7 7 7 7 7
Timor-Leste 7 7 7 7 7
Sudan 7 7 7 7 7
Swaziland 7 7 7 7 7
Gabon 7 7 8 8 8
Togo 7 7 7 7 7
Georgia 7 7 7 4 4
Guyana 7 7 7 7 7
Croatia 7 7 7 7 7
Honduras 7 7 6 6 6
Ghana 7 7 7 7 7
Ecuador 7 7 6 6 6
Bulgaria 8 5 5 5 5
Comoros 8 8 8 8 8
Sierra Leone 8 8 8 8 8
Dominica 8 8 8 8 8
Vietnam 8 8 8 8 8
Mauritania 8 8 8 8 8
Saudi Arabia 8 7 7 7 7
Albania 8 8 8 8 8
Brazil 8 8 8 8 8
Lesotho 8 8 8 8 8
Puerto Rico 8 8 8 8 8
Pakistan 8 8 8 8 8
Indonesia 8 8 8 8 8
Oman 8 8 8 8 8
Guinea 8 8 8 8 8
Philippines 8 8 8 8 7
Angola 8 8 8 8 8
Korea, Rep. 8 6 6 3 3
Dominican Republic 9 6 6 6 6
Bangladesh 9 9 9 9 9
Algeria 9 9 9 9 9
Syrian Arab Republic 9 9 9 9 9
Mozambique 9 9 9 9 9
El Salvador 9 9 7 7 7
Yemen, Rep. 9 9 9 9 9
Haiti 9 9 9 9 9
Papua New Guinea 9 9 9 9 9
Zambia 9 9 9 9 8
Macedonia, FYR 9 9 8 8 8
Kenya 9 9 9 9 9
Zimbabwe 9 9 9 9 9
Ukraine 9 9 9 9 9
Benin 9 9 9 9 9
Maldives 9 9 9 9 9
Palau 9 9 9 9 9
Paraguay 9 9 9 9 9
Fiji 9 9 9 9 9
Niger 10 10 10 10 10
Kuwait 10 10 10 10 10
Chad 10 10 10 10 10
Iraq 10 10 10 10 10
India 10 10 10 10 10
Congo, Dem. Rep. 10 10 10 10 10
Trinidad and Tobago 10 10 10 10 10
Congo, Rep. 10 10 10 10 10
Belarus 10 10 10 10 10
Cameroon 10 10 11 12 12
Burundi 10 10 10 10 10
Afghanistan 10 10 10 10 10
Egypt, Arab Rep. 10 10 10 10 10
Sri Lanka 10 7 7 7 7
Cambodia 10 10 10 10 9
Tanzania 11 11 11 11 11
St. Lucia 11 11 11 11 11
Lebanon 11 7 7 7 7
Madagascar 11 10 9 9 9
Malawi 11 11 11 11 11
Ethiopia 11 11 11 11 11
Bhutan 11 11 11 11 11
Azerbaijan 11 11 11 11 11
Moldova 11 11 11 11 11
Iran, Islamic Rep. 11 11 11 11 11
Nepal 11 11 11 11 11
Eritrea 12 12 12 12 12
Russian Federation 12 12 12 12 12
Venezuela, RB 12 9 9 9 9
Liberia 12 12 12 12 12
Senegal 12 12 6 6 6
Mali 12 12 12 11 11
Thailand 12 9 5 5 5
Mongolia 12 12 12 12 12
Cote d'Ivoire 13 13 13 13 13
Turkey 13 8 8 8 8
Nigeria 13 13 13 13 13
Tajikistan 13 13 13 13 12
Burkina Faso 13 13 13 13 12
Djibouti 13 6 5 5 5
Kazakhstan 13 13 13 13 12
Uzbekistan 15 15 15 15 15
Lao PDR 15 10 10 10 10
Central African Republic 17 17 17 17 17
Kyrgyz Republic 17 17 17 11 11
Uganda 20 10 10 10 10
Rwanda 21 10 11 10 9
Bermuda
Somalia
Cyprus 7 7 7
Libya
Malta
Bahamas, The 5 5 5 5
Cuba
Korea, Dem. People’s Rep.
Qatar 7 7 7 7
Turks and Caicos Islands
San Marino
South Sudan
Curacao
Myanmar
Monaco
Liechtenstein
Sint Maarten (Dutch part)
Turkmenistan
Macao SAR, China
Tuvalu
Isle of Man
Cayman Islands
St. Martin (French part)
New Caledonia
Andorra
Barbados
Northern Mariana Islands
Bahrain 8 8 8 8
Greenland
French Polynesia
Virgin Islands (U.S.)
Faroe Islands
Aruba
Guam
American Samoa

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