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

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