Country name 2011 2012 2013 2014 2015
Norway 1 1 1 1 1
Portugal 1 1 1 1 1
Sweden 1 1 1 1 1
Georgia 1 1 1 1 1
Bahrain 2 2 2 2 2
Belarus 2 2 2 2 2
New Zealand 2 2 2 2 2
United Arab Emirates 2 2 2 2 2
Oman 2 2 2 2 2
Fiji 3 4 4 4 4
Denmark 3 3 3 3 3
Bhutan 3 3 3 3 3
Slovak Republic 3 3 3 3 3
Iceland 3 3 3 3 3
Lithuania 3 3 3 3 3
Armenia 3 3 3 3 3
Thailand 3 3 3 3 3
Estonia 3 3 3 3 3
Kyrgyz Republic 3 3 3 3 3
Azerbaijan 3 3 3 3 3
Austria 3 3 3 3 3
Finland 3 3 3 3 3
Nepal 3 3 3 3 3
Singapore 4 4 4 4 4
Comoros 4 4 4 4 4
Lao PDR 4 4 4 4 4
Tonga 4 4 4 4 4
Seychelles 4 4 4 4 4
Kazakhstan 4 4 4 4 3
Tunisia 4 4 4 4 4
Botswana 4 4 4 4 4
Peru 4 4 4 4 4
Papua New Guinea 4 4 4 4 4
Niger 4 4 4 4 4
Switzerland 4 4 4 4 4
Vanuatu 4 4 4 4 4
Benin 4 4 4 4 4
Mauritania 4 4 4 4 4
Mauritius 4 4 4 4 4
Burkina Faso 4 4 4 4 4
Syrian Arab Republic 4 4 4 4 4
Hungary 4 4 4 4 4
Hong Kong SAR, China 5 5 5 5 5
Gambia, The 5 5 5 5 5
Zambia 5 5 5 5 5
Zimbabwe 5 5 5 5 5
Germany 5 5 5 5 5
Spain 5 5 5 5 5
Haiti 5 5 5 5 5
Saudi Arabia 5 5 5 5 3
Moldova 5 5 5 5 5
Mali 5 5 5 5 5
Mongolia 5 5 5 5 5
Netherlands 5 5 5 5 5
Palau 5 5 5 5 5
Rwanda 5 5 3 3 3
Samoa 5 5 5 5 5
Ireland 5 5 5 5 5
Iraq 5 5 5 5 5
Italy 5 5 4 4 4
Kiribati 5 5 5 5 5
Latvia 5 5 5 5 4
Slovenia 5 5 5 5 5
Ghana 5 5 5 5 5
Czech Republic 5 4 4 4 4
Central African Republic 5 5 5 5 5
Costa Rica 5 5 5 5 5
Cameroon 5 5 5 5 5
Dominica 5 5 5 5 5
Togo 5 5 5 5 5
Australia 5 5 5 5 5
Vietnam 5 5 5 5 5
El Salvador 5 5 5 5 5
Croatia 5 5 5 5 5
Canada 6 6 6 6 6
Chile 6 6 6 6 6
Israel 6 6 6 6 6
Congo, Rep. 6 6 6 6 6
Chad 6 6 6 6 6
Cabo Verde 6 6 6 6 6
United Kingdom 6 6 6 6 6
Poland 6 6 6 6 6
Barbados 6 6 6 6 6
Paraguay 6 6 6 6 6
Albania 6 6 6 6 6
Maldives 6 6 6 6 6
Lesotho 6 6 4 4 4
Madagascar 6 6 6 6 6
Malawi 6 6 6 6 6
Senegal 6 6 6 5 5
Serbia 6 6 6 6 6
Guatemala 6 6 6 6 6
Cote d'Ivoire 6 6 6 6 6
Guinea 6 6 6 6 6
Dominican Republic 6 6 6 6 6
Guyana 6 6 6 6 6
Sudan 6 6 6 6 6
Yemen, Rep. 6 6 6 6 6
Equatorial Guinea 6 6 6 6 6
Suriname 6 6 6 6 6
Gabon 6 6 6 6 6
Tajikistan 6 6 6 6 6
Honduras 6 6 6 6 6
St. Kitts and Nevis 6 6 6 6 6
Djibouti 6 6 6 6 6
Montenegro 7 7 6 6 6
Jordan 7 7 7 7 7
Ecuador 7 7 7 7 7
Colombia 7 7 7 6 6
Bolivia 7 7 7 7 7
Sierra Leone 7 7 7 7 7
Congo, Dem. Rep. 7 7 7 7 7
Namibia 7 8 8 8 8
Antigua and Barbuda 7 7 7 7 7
Angola 7 7 7 7 7
Argentina 7 7 7 7 7
West Bank and Gaza 7 7 7 7 7
Bahamas, The 7 7 7 7 7
Iran, Islamic Rep. 7 7 7 7 7
Jamaica 7 7 7 8 8
Bosnia and Herzegovina 7 7 7 7 7
South Africa 7 7 7 7 7
Luxembourg 7 7 7 7 7
Turkey 7 7 7 7 7
Cambodia 7 7 7 7 7
Sao Tome and Principe 7 7 7 7 7
Cyprus 7 7 7 7 7
Ethiopia 7 7 7 7 7
Korea, Rep. 7 7 7 7 7
Qatar 7 7 7 7 7
Macedonia, FYR 7 7 7 7 7
Brunei Darussalam 7 7 7 7 7
Malta 7 7 7 7 7
St. Vincent and the Grenadines 7 7 7 7 7
Puerto Rico 8 8 8 8 8
Panama 8 8 7 7 7
Tanzania 8 8 8 8 8
Uruguay 8 8 8 8 8
Romania 8 8 8 8 8
Sri Lanka 8 8 9 9 9
Lebanon 8 8 8 8 8
Egypt, Arab Rep. 8 8 8 8 8
Morocco 8 8 8 8 5
France 8 8 8 8 8
Guinea-Bissau 8 8 8 8 8
Grenada 8 8 8 8 8
Malaysia 8 8 8 8 8
Mozambique 8 8 8 6 6
Belgium 8 8 8 8 8
Kuwait 8 8 8 8 8
Belize 8 8 9 9 9
Bulgaria 8 8 8 8 8
Burundi 8 8 5 5 5
Kenya 9 9 9 9 9
Trinidad and Tobago 9 9 9 9 9
Venezuela, RB 9 9 9 9 9
Afghanistan 9 9 9 9 9
Swaziland 9 9 9 9 9
St. Lucia 9 9 9 9 9
Philippines 9 9 9 9 9
Nicaragua 9 9 9 9 9
Algeria 10 10 10 10 10
Ukraine 10 10 8 7 7
Liberia 10 10 10 10 10
Solomon Islands 10 10 10 10 10
Greece 11 11 11 10 10
Uganda 11 11 10 10 10
Eritrea 11 11 11 11 11
Uzbekistan 12 12 12 12 9
Virgin Islands (U.S.)
Turks and Caicos Islands
Isle of Man
Somalia
Macao SAR, China
India 7 7 7
Brazil 14 14 14
South Sudan 9 9 9 9
Russian Federation 4 3 3
Indonesia 5 5 5
Guam
New Caledonia
Marshall Islands
Korea, Dem. Rep.
Northern Mariana Islands
United States 4 4 4
St. Martin (French part)
Nigeria 12 12 12
Greenland
Andorra
Sint Maarten (Dutch part)
Cayman Islands
French Polynesia
Myanmar 6 6 6 6
Mexico 7 7 7
Turkmenistan
Micronesia, Fed. Sts.
Tuvalu
Faeroe Islands
Liechtenstein
Japan 6 6 6
Bermuda
Libya
San Marino 9 9 9 9
Curacao
Pakistan 6 6 6
Cuba
Bangladesh 8 8 8
Timor-Leste
Aruba
China 4 4 4
American Samoa
Monaco

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