Country name 2009 2010 2011 2012 2013
United Kingdom 10 10 10 10 10
Kyrgyz Republic 10 10 10 10 10
Malaysia 10 10 10 10 10
Singapore 10 10 10 10 10
Kenya 10 10 10 10 10
Hong Kong SAR, China 10 10 10 10 10
New Zealand 10 10 10 10 10
Montenegro 10 10 10 10 10
Latvia 10 10 10 10 10
Ukraine 9 9 9 9 9
Bulgaria 9 9 9 9 9
Poland 9 9 9 9 9
Tonga 7 7 9 9 9
Cyprus 9 9 9 9 9
Denmark 9 9 9 9 9
Dominica 9 9 9 9 9
Solomon Islands 4 9 9 9 9
Ireland 9 9 9 9 9
Puerto Rico 9 9 9 9 9
Israel 9 9 9 9 9
Nigeria 9 9 9 9 9
Trinidad and Tobago 9 9 9 9 9
Vanuatu 9 9 9 9 9
Australia 9 9 9 10 10
Zambia 9 9 9 9 9
Romania 9 9 9 9 9
Albania 9 9 9 9 9
Bahamas, The 9 9 9 9 9
Marshall Islands 5 9 9 9 9
United States 9 9 9 9 9
Barbados 9 9 9
Moldova 8 8 8 8 9
Vietnam 8 8 8 8 8
Guatemala 8 8 8 8 8
Nepal 8 8 8 8 8
India 8 8 8 8 8
Ghana 7 8 8 8 8
Switzerland 8 8 8 8 8
Jamaica 8 8 8 8 8
Cambodia 8 8 8 8 8
Finland 8 8 8 8 8
Sweden 8 8 8 8 8
Kosovo 8 8 8 8 8
Georgia 6 7 8 9 9
Korea, Rep. 8 8 8 8 8
Honduras 6 6 8 8 8
Slovak Republic 8 8 8 8 8
Grenada 7 7 7 7 7
France 7 7 7 7 7
St. Kitts and Nevis 7 7 7 7 7
Germany 7 7 7 7 7
Serbia 7 7 7 7 7
South Africa 7 7 7 7 7
Iceland 7 7 7 7 7
Rwanda 7 7 7 7 8
Sierra Leone 7 7 7 7 7
Macedonia, FYR 7 7 7 7 9
Samoa 7 7 7 7 7
Japan 7 7 7 7 7
Liberia 4 4 7 7 7
Namibia 7 7 7 7 7
Malawi 7 7 7 7 7
Hungary 7 7 7 7 7
St. Lucia 7 7 7 7 7
Tanzania 7 7 7 7 7
Canada 7 7 7 7 7
Austria 7 7 7 7 7
Croatia 7 7 7 7 7
Belize 7 7 7 7 7
Fiji 7 7 7 7 7
Brunei Darussalam 7 7 7 7 7
Uganda 7 7 7 7 7
Peru 7 7 7 7 7
Bangladesh 7 7 7 7 7
Zimbabwe 7 7 7 7 7
St. Vincent and the Grenadines 7 7 7 7 7
Estonia 6 7 7 7 7
Antigua and Barbuda 7 7 7 7 7
Micronesia, Fed. Sts. 7 7 7 7 7
Mexico 5 5 6 6 6
Benin 3 3 6 6 6
Cameroon 3 3 6 6 6
Botswana 6 6 6 6 6
Afghanistan 6 6 6 6 7
Norway 6 6 6 6 6
Burkina Faso 3 3 6 6 6
Mauritius 6 6 6 6 6
Mali 3 3 6 6 6
Pakistan 6 6 6 6 6
Armenia 6 6 6 6 6
Azerbaijan 6 6 6 6 6
Belgium 6 6 6 6 6
Mongolia 6 6 6 6 6
Senegal 3 3 6 6 6
Lesotho 6 6 6 6 6
Central African Republic 3 3 6 6 6
Czech Republic 6 6 6 6 6
Cote d'Ivoire 3 3 6 6 6
Spain 6 6 6 6 6
Chad 3 3 6 6 6
Niger 3 3 6 6 6
Guinea-Bissau 3 3 6 6 6
Netherlands 6 6 6 6 5
Swaziland 6 6 6 6 6
Guinea 3 3 6 6 6
Congo, Rep. 3 3 6 6 6
Gabon 3 3 6 6 6
Chile 4 4 6 6 6
Equatorial Guinea 3 3 6 6 6
Comoros 3 3 6 6 6
Togo 3 3 6 6 6
Papua New Guinea 5 5 5 5 5
Gambia, The 5 5 5 5 5
El Salvador 5 5 5 5 5
Panama 5 5 5 5 5
Saudi Arabia 3 5 5 5 5
Bosnia and Herzegovina 5 5 5 5 5
Colombia 5 5 5 5 5
Lithuania 5 5 5 5 7
Indonesia 5 5 5 5 5
Thailand 5 5 5 5 5
Kiribati 5 5 5 5 5
China 5 5 5 5 5
Oman 4 4 4 4 4
Philippines 4 4 4 4 4
Greece 4 4 4 4 4
Suriname 4 4 4 4 4
Sudan 4 4 4 4 4
Ethiopia 4 4 4 4 4
Turkey 4 4 4 4 4
United Arab Emirates 4 4 4 4 4
Argentina 4 4 4 4 4
Uruguay 4 4 4 4 4
Sri Lanka 4 4 4 5 5
Guyana 4 4 4 4 4
Maldives 4 4 4 4 4
Luxembourg 4 4 4 4 4
Lao PDR 4 4 4 4 4
Seychelles 4 4 4 4 4
Iran, Islamic Rep. 4 4 4 4 4
Slovenia 4 4 4 4 4
Qatar 3 3 3 3 3
Tunisia 3 3 3 3 3
Portugal 3 3 3 3 3
Russian Federation 3 3 3 3 3
Paraguay 3 3 3 3 3
Lebanon 3 3 3 3 3
Cabo Verde 3 3 3 3 3
Kazakhstan 3 3 3 4 4
Kuwait 3 3 3 3 3
Burundi 3 3 3 3 3
Brazil 3 3 3 3 3
Congo, Dem. Rep. 3 3 3 3 6
Italy 3 3 3 3 3
Dominican Republic 3 3 3 3 3
Ecuador 3 3 3 3 3
Haiti 3 3 3 3 3
Iraq 3 3 3 3 3
Costa Rica 3 3 3 3 3
Egypt, Arab Rep. 3 3 3 3 3
Bhutan 3 3 3 3 3
Belarus 2 3 3 3 3
Morocco 3 3 3 3 3
Mozambique 3 3 3 3 3
Nicaragua 3 3 3 3 3
Angola 3 3 3 3 3
Mauritania 3 3 3 3 3
Bahrain 3 3 3 3 3
Algeria 3 3 3 3 3
Malta 3 3 3
Yemen, Rep. 2 2 2 2 2
Timor-Leste 2 2 2 2 2
Uzbekistan 2 2 2 2 2
Venezuela, RB 2 2 2 2 2
Tajikistan 3 2 2 2 2
Eritrea 2 2 2 2 2
Madagascar 2 2 2 2 2
Sao Tome and Principe 2 2 2 2 2
Jordan 2 2 2 2 2
West Bank and Gaza 1 1 1 1 1
Bolivia 1 1 1 1 1
Palau 1 1 1 1 9
Djibouti 1 1 1 1 2
Syrian Arab Republic 1 1 1 1 1
Aruba
Guam
South Sudan 3 3
Curacao
French Polynesia
San Marino 2 2
Turks and Caicos Islands
Greenland
Somalia
American Samoa
Cuba
Turkmenistan
St. Martin (French part)
Tuvalu
Isle of Man
Sint Maarten (Dutch part)
Bermuda
Monaco
Macao SAR, China
Andorra
Faeroe Islands
Cayman Islands
Myanmar 4 4
Korea, Dem. Rep.
Virgin Islands (U.S.)
Libya 1 1
New Caledonia
Liechtenstein
Northern Mariana Islands

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