Country name 2011 2012 2013 2014 2015
Afghanistan 4 4 3 3 3
Albania 7 6 6 6 6
Algeria 13 13 13 13 12
American Samoa
Andorra
Angola 8 8 8 8 8
Antigua and Barbuda 8 8 8 8 8
Argentina 14 14 14 14 14
Armenia 3 3 2 2 2
Aruba
Australia 3 3 3 3 3
Austria 8 8 8 8 8
Azerbaijan 6 6 3 3 2
Bahamas, The 7 7 7 7 8
Bahrain 7 7 7 7 7
Bangladesh 9 9 9
Barbados 8 8 8 8 8
Belarus 6 6 5 5 3
Belgium 3 3 3 3 3
Belize 9 9 9 9 9
Benin 9 8 7 7 7
Bermuda
Bhutan 8 8 8 8 8
Bolivia 15 15 15 15 15
Bosnia and Herzegovina 13 12 12 12 12
Botswana 9 9 9 9 9
Brazil 12 12 11
Brunei Darussalam 18 18 18 18 7
Bulgaria 4 4 4 4 4
Burkina Faso 3 3 3 3 3
Burundi 8 4 3 3 3
Cabo Verde 8 8 7 7 7
Cambodia 10 10 11 11 7
Cameroon 5 5 5 5 5
Canada 2 2 2 2 2
Cayman Islands
Central African Republic 8 10 10 10 10
Chad 11 9 9 9 9
Chile 7 7 7 7 7
China 13 11 11
Colombia 8 8 8 8 8
Comoros 10 9 8 8 8
Congo, Dem. Rep. 10 10 11 7 6
Congo, Rep. 11 11 11 11 11
Costa Rica 12 12 9 9 9
Cote d'Ivoire 10 10 5 4 4
Croatia 7 7 7 7 7
Cuba
Curacao
Cyprus 6 6 6 6 6
Czech Republic 8 8 8 8 8
Denmark 4 4 4 4 4
Djibouti 11 11 9 7 7
Dominica 5 5 5 5 5
Dominican Republic 7 7 7 7 7
Ecuador 13 13 13 13 12
Egypt, Arab Rep. 7 7 7 7 7
El Salvador 8 8 8 8 8
Equatorial Guinea 18 18 18 18 18
Eritrea 13 13 13 13 13
Estonia 5 5 5 4 3
Ethiopia 11 11 11 11 11
Faroe Islands
Fiji 9 11 11 11 11
Finland 3 3 3 3 3
France 5 5 5 5 5
French Polynesia
Gabon 8 8 7 7 7
Gambia, The 8 8 8 7 7
Georgia 2 2 2 2 2
Germany 9 9 9 9 9
Ghana 7 7 8 8 8
Greece 11 11 5 5 5
Greenland
Grenada 6 6 6 6 6
Guam
Guatemala 12 12 6 6 6
Guinea 12 6 6 6 6
Guinea-Bissau 9 9 9 9 9
Guyana 8 7 7 7 7
Haiti 12 12 12 12 12
Honduras 12 12 12 12 12
Hong Kong SAR, China 3 3 3 3 2
Hungary 4 4 4 4 4
Iceland 5 5 5 5 5
India 14 14 13
Indonesia 12 13 13
Iran, Islamic Rep. 8 9 9 8 8
Iraq 11 10 10 10 10
Ireland 4 4 4 4 4
Isle of Man
Israel 5 5 5 5 5
Italy 6 6 6 5 5
Jamaica 6 6 5 2 2
Japan 8 8 8
Jordan 7 7 7 7 7
Kazakhstan 6 6 6 6 4
Kenya 12 11 11 11 11
Kiribati 7 7 7 7 7
Korea, Dem. People’s Rep.
Korea, Rep. 5 3 3 3 3
Kuwait 12 12 12 12 12
Kyrgyz Republic 4 4 4 4 4
Lao PDR 7 6 6 6 6
Latvia 4 4 4 4 4
Lebanon 6 6 6 6 6
Lesotho 7 7 7 7 7
Liberia 4 4 4 4 4
Libya 10 10 10 10
Liechtenstein
Lithuania 6 7 4 3 2
Luxembourg 6 6 6 6 6
Macao SAR, China
Macedonia, FYR 3 2 2 2 1
Madagascar 8 8 8 8 9
Malawi 10 10 10 8 8
Malaysia 3 3 3 3 3
Maldives 5 5 5 5 5
Mali 4 4 5 5 5
Malta 10 10 10 10 10
Marshall Islands 5 5 5 5 5
Mauritania 9 9 9 7 6
Mauritius 5 5 5 5 5
Mexico 6 6 6
Micronesia, Fed. Sts. 7 7 7 7 7
Moldova 7 7 6 5 4
Monaco
Mongolia 7 7 5 5 5
Montenegro 6 6 6 6 6
Morocco 6 6 5 5 4
Mozambique 10 10 10 10 10
Myanmar 12 12 12 11
Namibia 10 10 10 10 10
Nepal 7 7 7 7 7
Netherlands 6 5 4 4 4
New Caledonia
New Zealand 1 1 1 1 1
Nicaragua 8 8 7 6 6
Niger 9 9 6 6 6
Nigeria 9 9 9
Northern Mariana Islands
Norway 5 5 5 4 4
Oman 5 5 5 5 5
Pakistan 10 10 10
Palau 8 8 8 8 8
Panama 6 6 5 5 5
Papua New Guinea 6 6 6 6 6
Paraguay 7 7 7 7 7
Peru 6 6 6 6 6
Philippines 16 16 16 16 16
Poland 6 6 4 4 4
Portugal 4 4 3 3 3
Puerto Rico 6 6 6 6 6
Qatar 8 8 8 8 8
Romania 6 6 5 5 5
Russian Federation 6 4 4
Rwanda 6 7 7 8 7
Samoa 4 4 4 4 4
San Marino 8 8 8 8
Sao Tome and Principe 4 4 4 3 3
Saudi Arabia 12 12 12 12 12
Senegal 4 4 4 4 4
Serbia 7 6 6 6 6
Seychelles 10 10 9 9 9
Sierra Leone 6 6 6 6 6
Singapore 3 3 3 3 3
Sint Maarten (Dutch part)
Slovak Republic 6 6 7 7 6
Slovenia 2 2 2 2 2
Solomon Islands 7 7 7 7 7
Somalia
South Africa 5 5 5 6 6
South Sudan 13 13 13 13
Spain 10 11 11 7 7
Sri Lanka 9 9 9 9 8
St. Kitts and Nevis 7 7 7 7 7
St. Lucia 5 5 5 5 5
St. Martin (French part)
St. Vincent and the Grenadines 7 7 7 7 7
Sudan 10 10 10 10 10
Suriname 13 13 13 13 13
Swaziland 12 12 12 12 12
Sweden 3 3 3 3 3
Switzerland 6 6 6 6 6
Syrian Arab Republic 7 7 7 7 7
Tajikistan 5 5 5 4 4
Tanzania 10 9 9 9 9
Thailand 7 6 6 6 6
Timor-Leste 8 8 8 5 4
Togo 7 6 7 6 6
Tonga 4 4 4 4 4
Trinidad and Tobago 8 8 7 7 7
Tunisia 10 10 10 10 10
Turkey 7 7 7 8 8
Turkmenistan
Turks and Caicos Islands
Tuvalu
Uganda 15 15 15 15 15
Ukraine 9 7 6 6 4
United Arab Emirates 7 6 6 6 6
United Kingdom 6 6 6 6 4
United States 6 6 6
Uruguay 5 5 5 5 5
Uzbekistan 9 9 7 7 5
Vanuatu 8 8 8 8 8
Venezuela, RB 17 17 17 17 17
Vietnam 10 10 10 10 10
Virgin Islands (U.S.)
West Bank and Gaza 11 11 9 9 9
Yemen, Rep. 6 6 6 6 6
Zambia 6 7 6 6 6
Zimbabwe 9 9 9 9 9

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