Country name 2005 2006 2007 2008 2009
Ireland 2 2 2 2 2
Canada 3 3 3 3 3
Guatemala 3 3 7 6 6
Sweden 3 3 3 3 3
Panama 3 3 3 3 3
Singapore 3 3 3 3 3
Italy 3 3 3 3 3
Denmark 3 3 3 3 3
Belgium 4 4 4 4 4
Poland 4 4 4 4 4
Germany 4 4 4 4 4
Estonia 4 4 4 4 4
Switzerland 4 4 4 4 4
Portugal 4 4 4 4 4
Mexico 4 4 4 4 4
United Kingdom 4 4 4 4 4
Austria 4 4 4 4 4
Iceland 4 4 4 4 4
Israel 4 4 4 4 4
Malaysia 4 4 4 4 4
Norway 5 5 5 5 5
Antigua and Barbuda 5 5 5 5 5
Latvia 5 5 6 6 6
Slovak Republic 5 5 5 5 5
Seychelles 5 5 5 5 5
Chile 5 5 5 5 5
Japan 5 5 5 5 5
United States 5 5 5 5 5
Lithuania 5 5 5 5 5
Costa Rica 5 5 5 5 5
Solomon Islands 5 5 5 5 5
Spain 5 5 5 5 5
Netherlands 5 5 5 5 5
Finland 5 5 5 5 5
Marshall Islands 5 5 5 5 5
Kiribati 6 6 6 6 6
Czech Republic 6 6 6 6 6
Hungary 6 6 6 6 6
Grenada 6 6 6 6 6
Mauritius 6 6 5 5 5
Greece 6 6 6 6 6
Guinea-Bissau 6 6 6 6 6
Gambia, The 6 6 6 6 6
Micronesia, Fed. Sts. 6 6 6 6 6
New Zealand 6 6 6 6 6
Equatorial Guinea 6 6 6 6 6
Samoa 6 6 6 6 6
Tonga 6 6 6 6 6
Tunisia 6 6 6 6 6
Suriname 6 6 6 6 6
Bolivia 6 6 6 6 6
St. Vincent and the Grenadines 6 6 6 6 6
Colombia 6 6 6 6 6
China 6 6 6 6 5
Armenia 6 6 8 8 9
Argentina 6 6 6 6 6
Sao Tome and Principe 6 6 6 6 6
West Bank and Gaza 6 6 6 6 6
Swaziland 7 7 7 7 7
Ghana 7 7 7 7 7
Sudan 7 7 7 7 7
Belize 7 7 7 7 7
Vanuatu 7 7 7 7 7
Guyana 7 7 7 7 7
United Arab Emirates 7 7 7 7 5
Australia 7 7 7 7 7
Bosnia and Herzegovina 7 7 8 8 8
Honduras 7 7 7 6 6
Uruguay 7 7 7 7 7
Timor-Leste 7 7 7 7 7
Botswana 7 7 7 7 7
Slovenia 7 7 7 7 7
Nicaragua 7 5 5 5 5
Serbia 7 7 7 7 7
Ecuador 7 7 7 6 6
Peru 7 7 7 7 7
Croatia 7 7 7 7 7
Cabo Verde 7 7 7 7 7
Morocco 7 7 7 6 6
Gabon 7 7 7 8 8
St. Kitts and Nevis 7 7 7 7 7
South Africa 7 7 7 7 7
Namibia 7 7 7 7 7
Vietnam 8 8 8 8 8
Korea, Rep. 8 8 6 6 3
Saudi Arabia 8 8 7 7 7
Sierra Leone 8 8 8 8 8
Mauritania 8 8 8 8 8
Puerto Rico 8 8 8 8 8
Oman 8 8 8 8 8
Pakistan 8 8 8 8 8
Philippines 8 8 8 8 8
Lesotho 8 8 8 8 8
Comoros 8 8 8 8 8
Indonesia 8 8 8 8 8
Dominica 8 8 8 8 8
Hong Kong SAR, China 8 3 3 3 3
Guinea 8 8 8 8 8
Brazil 8 8 8 8 8
Bulgaria 8 8 5 5 5
Angola 8 8 8 8 8
Albania 8 8 8 8 8
El Salvador 9 9 9 7 7
Palau 9 9 9 9 9
Dominican Republic 9 9 6 6 6
Fiji 9 9 9 9 9
Yemen, Rep. 9 9 9 9 9
Zambia 9 9 9 9 9
Mozambique 9 9 9 9 9
Papua New Guinea 9 9 9 9 9
Paraguay 9 9 9 9 9
Haiti 9 9 9 9 9
Syrian Arab Republic 9 9 9 9 9
Ukraine 9 9 9 9 9
Algeria 9 9 9 9 9
Congo, Dem. Rep. 9 10 10 10 10
Bangladesh 9 9 9 9 9
Zimbabwe 9 9 9 9 9
Benin 9 9 9 9 9
Jamaica 9 7 7 7 7
Maldives 9 9 9 9 9
Macedonia, FYR 9 9 9 8 8
Togo 10 7 7 7 7
Niger 10 10 10 10 10
Trinidad and Tobago 10 10 10 10 10
Congo, Rep. 10 10 10 10 10
Burundi 10 10 10 10 10
Belarus 10 10 10 10 10
India 10 10 10 10 10
Kuwait 10 10 10 10 10
Sri Lanka 10 10 7 7 7
Iraq 10 10 10 10 10
Chad 10 10 10 10 10
Cameroon 10 10 10 11 12
Afghanistan 10 10 10 10 10
Moldova 11 11 11 11 11
Egypt, Arab Rep. 11 10 10 10 10
Cambodia 11 10 10 10 10
St. Lucia 11 11 11 11 11
Bhutan 11 11 11 11 11
Madagascar 11 11 10 9 9
Iran, Islamic Rep. 11 11 11 11 11
Malawi 11 11 11 11 11
Nepal 11 11 11 11 11
Lebanon 11 11 7 7 7
Ethiopia 11 11 11 11 11
Azerbaijan 11 11 11 11 11
Senegal 12 12 12 6 6
Jordan 12 7 7 7 7
Russian Federation 12 12 12 12 12
Thailand 12 12 9 5 5
Mongolia 12 12 12 12 12
Mali 12 12 12 12 11
Eritrea 12 12 12 12 12
Turkey 13 13 8 8 8
Tajikistan 13 13 13 13 13
Venezuela, RB 13 12 9 9 9
Burkina Faso 13 13 13 13 13
Djibouti 13 13 6 5 5
France 13 5 5 2 2
Kazakhstan 13 13 13 13 13
Cote d'Ivoire 13 13 13 13 13
Kenya 14 9 9 9 9
Lao PDR 15 15 10 10 10
Uzbekistan 15 15 15 15 15
Romania 15 6 6 6 6
Georgia 15 7 7 7 4
Kyrgyz Republic 17 17 17 17 11
Tanzania 17 11 11 11 11
Central African Republic 17 17 17 17 17
Nigeria 17 13 13 13 13
Uganda 20 20 10 10 10
Rwanda 21 21 10 11 10
Malta
Liberia 12 12 12 12
Myanmar
Brunei Darussalam 5 5 5 5
Turks and Caicos Islands
San Marino
Montenegro 6 6 6 6
St. Martin (French part)
New Caledonia
Virgin Islands (U.S.)
Sint Maarten (Dutch part)
South Sudan
French Polynesia
Faeroe Islands
Monaco
Qatar 7 7 7
Somalia
Bermuda
Bahrain 8 8 8
Libya
Bahamas, The 5 5 5
Curacao
Turkmenistan
Barbados
Tuvalu
Cyprus 7 7
Korea, Dem. Rep.
Taiwan, China
Aruba
Liechtenstein
Andorra
Luxembourg 4 4 4 4
American Samoa
Macao SAR, China
Greenland
Northern Mariana Islands
Guam
Cayman Islands
Isle of Man
Cuba

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