Country name 2005 2006 2007 2008 2009
Ireland 2 2 2 2 2
Hong Kong SAR, China 6 3 3 3 3
Austria 3 3 3 3 3
Estonia 3 3 3 3 3
Singapore 3 3 3 3 3
Japan 3 3 3 3 3
Italy 3 3 3 3 3
Sweden 3 3 3 3 3
Switzerland 3 3 3 3 3
United States 3 3 3 3 3
Canada 3 3 3 3 3
Panama 3 3 3 3 3
Malaysia 4 4 4 4 4
Netherlands 4 4 4 4 4
Mexico 4 4 4 4 4
Colombia 4 4 4 4 4
Mauritius 4 4 4 4 4
Lithuania 4 4 4 4 4
Iceland 4 4 4 4 4
Germany 4 4 4 4 4
France 7 4 4 2 2
Finland 4 4 4 4 4
Greece 4 4 4 4 4
Grenada 4 4 4 4 4
Indonesia 4 4 4 4 4
Czech Republic 4 4 4 4 4
Denmark 4 4 4 4 4
Israel 4 4 4 4 4
New Zealand 4 4 4 4 4
St. Kitts and Nevis 4 4 4 4 4
Spain 4 4 4 4 4
Tunisia 4 4 4 4 4
United Arab Emirates 4 4 4 4 3
United Kingdom 4 4 4 4 4
Portugal 4 4 4 4 4
Belgium 4 4 4 4 4
Norway 4 4 4 4 4
St. Vincent and the Grenadines 5 5 5 5 5
Marshall Islands 5 5 5 5 5
Honduras 5 5 5 5 5
Peru 5 5 5 5 5
Trinidad and Tobago 5 5 5 5 5
Palau 5 5 5 5 5
Vietnam 5 5 5 5 5
Micronesia, Fed. Sts. 5 5 5 5 5
Gabon 5 5 5 6 6
Slovenia 5 5 5 5 5
Slovak Republic 5 5 5 5 5
Puerto Rico 5 5 5 5 5
Korea, Rep. 5 5 4 4 3
Latvia 5 5 5 5 5
Poland 5 5 5 5 5
Jordan 5 5 5 5 5
Romania 7 5 5 5 5
Seychelles 5 5 5 5 5
Saudi Arabia 5 5 5 5 5
Nicaragua 6 5 5 5 5
Luxembourg 5 5 5 5
Lebanon 5 5 4 4 4
Costa Rica 5 5 5 5 5
Antigua and Barbuda 5 5 5 5 5
Belize 5 5 5 5 5
Australia 5 5 5 5 5
Brunei Darussalam 5 5 5 5
Chile 5 5 5 5 5
Bulgaria 6 6 4 4 4
Brazil 6 6 6 6 6
Croatia 6 6 6 6 6
Botswana 6 6 6 6 6
Vanuatu 6 6 6 6 6
Hungary 6 6 6 6 6
Morocco 6 6 6 5 5
Tonga 6 6 6 6 6
Togo 8 6 6 6 6
Timor-Leste 6 6 6 6 6
Argentina 6 6 6 6 6
Armenia 6 6 6 6 7
Bosnia and Herzegovina 6 6 8 8 8
Kiribati 6 6 6 6 6
Jamaica 5 6 6 6 6
Uruguay 6 6 6 6 6
Guyana 6 6 6 6 6
Samoa 6 6 6 6 6
Dominican Republic 6 6 5 5 5
Philippines 6 6 6 6 6
El Salvador 6 6 7 7 7
Sri Lanka 6 6 7 7 7
Gambia, The 6 6 6 6 6
Ghana 6 6 6 6 6
Dominica 6 6 6 6 6
Serbia 6 6 6 6 6
Guinea-Bissau 6 6 6 6 6
West Bank and Gaza 6 6 6 6 6
Bangladesh 6 6 6 6 6
Yemen, Rep. 6 6 6 6 6
Solomon Islands 7 7 7 7 7
Macedonia, FYR 7 7 7 6 6
Maldives 7 7 7 7 7
Mali 7 7 7 7 6
South Africa 7 7 7 7 7
Mozambique 7 7 7 7 7
Oman 7 7 7 7 7
Tanzania 9 7 7 7 7
Papua New Guinea 7 7 7 7 7
Paraguay 7 7 7 7 7
Bolivia 7 7 7 7 7
Montenegro 7 7 7 7
Sudan 7 7 7 7 7
St. Lucia 7 7 7 7 7
Cabo Verde 7 7 7 7 7
Chad 7 7 7 7 7
Albania 7 7 7 7 7
Zimbabwe 7 7 7 7 7
Zambia 7 7 7 7 7
Congo, Dem. Rep. 7 7 7 7 7
Guinea 7 7 7 7 7
Guatemala 7 7 9 8 8
Kuwait 7 7 7 7 7
Iran, Islamic Rep. 7 7 7 7 7
Venezuela, RB 8 7 8 8 8
India 7 7 7 7 7
Equatorial Guinea 7 7 7 7 7
Namibia 8 8 8 8 8
Suriname 8 8 8 8 8
Ukraine 8 8 8 8 8
Haiti 8 8 8 8 8
Sierra Leone 8 8 8 7 7
Ecuador 8 8 8 7 7
Pakistan 8 8 8 8 8
Niger 8 8 8 8 8
Georgia 9 8 8 8 4
Swaziland 8 8 8 8 8
Syrian Arab Republic 8 8 8 8 8
Lesotho 8 8 8 8 8
Sao Tome and Principe 8 8 8 8 8
Belarus 8 8 8 8 8
Central African Republic 8 8 8 8 9
Ethiopia 8 8 8 8 8
Fiji 8 8 8 8 8
Mauritania 8 8 8 8 8
Kenya 7 8 8 8 8
Turkey 8 8 7 7 7
China 8 8 8 8 8
Egypt, Arab Rep. 8 8 8 8 8
Benin 8 8 8 8 8
Azerbaijan 9 9 9 9 9
Bhutan 9 9 9 9 9
Algeria 9 9 8 8 8
Cambodia 6 9 9 9 9
Cameroon 9 9 9 9 10
Madagascar 9 9 5 5 5
Thailand 9 9 7 5 5
Moldova 9 9 9 9 9
Burundi 9 9 9 9 9
Cote d'Ivoire 9 9 9 9 9
Nigeria 10 9 9 9 9
Comoros 9 9 9 9 9
Liberia 10 10 10 10
Afghanistan 10 10 10 10 10
Eritrea 10 10 10 10 10
Iraq 10 10 10 10 10
Russian Federation 10 10 10 10 10
Angola 10 10 10 10 9
Tajikistan 11 11 11 11 11
Burkina Faso 11 11 11 11 11
Mongolia 11 11 11 11 11
Kazakhstan 11 11 11 11 11
Congo, Rep. 11 11 11 11 11
Nepal 11 11 11 11 11
Malawi 11 11 11 11 10
Senegal 11 11 11 6 6
Lao PDR 12 12 10 10 10
Uganda 12 12 7 7 7
Rwanda 13 13 8 8 8
Uzbekistan 13 13 13 13 13
Djibouti 14 14 8 5 5
Kyrgyz Republic 15 15 15 15 9
New Caledonia
Andorra
St. Martin (French part)
Turks and Caicos Islands
Aruba
Northern Mariana Islands
Bahamas, The 5 5 5
Sint Maarten (Dutch part)
Myanmar
South Sudan
Bahrain 6 6 6
Isle of Man
Kosovo 8
Qatar 5 5 5
Monaco
Malta
Korea, Dem. Rep.
Cayman Islands
Turkmenistan
Bermuda
Tuvalu
Curacao
Somalia
Guam
American Samoa
San Marino
Cuba
French Polynesia
Barbados
Cyprus 5 5
Libya
Virgin Islands (U.S.)
Macao SAR, China
Greenland
Liechtenstein
Faeroe Islands

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