Country name 2011 2012 2013 2014 2015
Maldives 0 0 0 0 0
Palau 0 0 0 0 0
Sudan 0 0 0 0 0
Micronesia, Fed. Sts. 0 0 0 0 0
Switzerland 0 0 0 0 0
Honduras 0 0 0 0 3
Cabo Verde 1 1 1 1 1
Greece 1 5 7 7 7
Bolivia 1 1 1 1 1
Suriname 1 1 1 1 1
Ecuador 1 1 1 2 2
Afghanistan 1 1 1 1 1
Nicaragua 1 1 1 1 1
Swaziland 2 2 2 2 2
Marshall Islands 2 2 2 2 2
Fiji 2 2 2 2 2
Costa Rica 2 2 2 2 2
Gambia, The 2 2 2 2 2
Tanzania 2 2 2 2 2
Barbados 2 2 2 2 2
Czech Republic 2 2 2 2 2
Philippines 2 2 2 2 2
Lesotho 2 3 3 3 3
Hungary 2 2 2 2 2
Haiti 2 2 2 2 2
Lao PDR 2 2 2 6 6
Bahamas, The 2 2 2 2 2
Croatia 3 3 3 3 3
Ethiopia 3 3 3 3 3
El Salvador 3 3 3 3 3
Kenya 3 3 3 3 3
Uruguay 3 3 3 3 3
Uganda 3 3 3 3 3
Congo, Dem. Rep. 3 3 6 7 7
Venezuela, RB 3 3 3 3 3
Slovenia 3 5 5 5 5
Solomon Islands 3 3 3 3 3
Slovak Republic 3 3 3 3 3
Panama 3 3 4 4 4
Sao Tome and Principe 3 3 3 3 3
Guatemala 3 3 3 3 3
Malta 3 3 3 3 3
Belize 3 3 3 3 3
Bosnia and Herzegovina 3 3 3 3 3
Tonga 3 3 3 3 3
Netherlands 3 4 4 4 4
Iraq 4 4 4 4 4
Trinidad and Tobago 4 4 4 4 4
Tunisia 4 4 4 4 4
Grenada 4 4 4 4 4
Jordan 4 4 4 4 4
Eritrea 4 4 4 4 4
Kuwait 4 4 4 4 4
Jamaica 4 4 4 4 4
United Arab Emirates 4 4 6 10 10
Papua New Guinea 4 4 4 4 4
Seychelles 4 4 4 4 4
Bhutan 4 4 4 4 4
Dominica 4 4 4 4 4
Antigua and Barbuda 4 4 4 4 4
Angola 4 4 4 4 4
Algeria 4 4 4 4 4
Serbia 4 4 4 4 4
Zambia 4 4 4 4 4
Mongolia 4 5 5 6 6
Brunei Darussalam 4 4 4 4 4
St. Vincent and the Grenadines 4 4 4 4 4
Ukraine 4 4 4 4 4
Liberia 4 4 4 4 4
Djibouti 4 4 4 4 4
Malawi 4 4 4 4 4
St. Lucia 4 4 4 4 4
St. Kitts and Nevis 4 4 4 4 4
Uzbekistan 4 4 4 7 7
Montenegro 5 5 5 5 5
Latvia 5 5 5 5 5
Samoa 5 5 5 5 5
Mozambique 5 5 5 5 5
Spain 5 5 5 5 5
Qatar 5 5 5 5 5
Namibia 5 5 5 5 5
Iran, Islamic Rep. 5 7 7 7 7
Guyana 5 5 5 5 5
Timor-Leste 5 5 5 5 5
Germany 5 5 5 5 5
Austria 5 5 5 5 5
Dominican Republic 5 5 5 5 5
Armenia 5 5 5 5 5
Vanuatu 5 5 5 5 5
Cambodia 5 5 5 5 5
Egypt, Arab Rep. 5 5 5 8 8
Sri Lanka 6 6 6 6 6
Mauritius 6 6 6 6 6
Guinea-Bissau 6 6 6 7 7
Chad 6 6 6 7 7
Madagascar 6 6 6 6 7
Central African Republic 6 6 6 7 7
Mali 6 6 6 7 7
Burkina Faso 6 6 6 7 7
Mauritania 6 6 6 6 6
Vietnam 6 6 7 7 7
Yemen, Rep. 6 6 6 6 6
Paraguay 6 6 6 6 6
Portugal 6 6 6 6 6
Senegal 6 6 6 7 7
Sierra Leone 6 6 6 6 6
Niger 6 6 6 7 7
Comoros 6 6 6 7 7
Nepal 6 6 6 6 6
Benin 6 6 6 7 7
West Bank and Gaza 6 6 6 6 6
Morocco 6 6 6 6 6
Cameroon 6 6 6 7 7
Guinea 6 6 6 7 7
Finland 6 6 6 6 6
Gabon 6 6 6 7 7
Togo 6 6 6 7 7
Equatorial Guinea 6 6 6 7 7
Kiribati 6 6 6 6 6
Congo, Rep. 6 6 6 7 7
Cote d'Ivoire 6 6 6 7 7
Luxembourg 6 6 6 6 6
Ghana 7 7 7 7 7
Belarus 7 7 7 7 7
Italy 7 7 7 7 7
Macedonia, FYR 7 7 7 8 8
Norway 7 7 7 7 7
Syrian Arab Republic 7 7 7 7 7
Azerbaijan 7 7 7 7 10
Poland 7 7 7 7 7
Kazakhstan 7 7 7 7 9
Israel 7 7 7 7 7
Lithuania 7 7 7 7 7
Albania 7 7 7 7 9
Moldova 7 7 7 7 7
Iceland 7 7 7 7 7
Kyrgyz Republic 7 7 7 7 7
Denmark 7 7 7 7 7
Korea, Rep. 7 7 7 7 7
Rwanda 7 7 7 7 7
Puerto Rico 7 7 7 7 7
Botswana 7 7 7 7 7
Argentina 7 7 7 7 7
Peru 8 9 9 9 9
Tajikistan 8 8 8 8 8
Saudi Arabia 8 8 8 8 8
Zimbabwe 8 8 8 8 8
Belgium 8 8 8 8 8
Burundi 8 8 8 8 8
Estonia 8 8 8 8 8
Cyprus 8 8 8 8 8
Canada 8 8 8 8 8
Australia 8 8 8 8 8
South Africa 8 8 8 8 8
Sweden 8 8 8 8 8
Oman 8 8 8 8 8
Bahrain 8 8 8 8 8
Chile 8 8 8 8 8
Turkey 9 9 9 9 9
Lebanon 9 9 9 9 9
Georgia 9 9 9 9 9
Hong Kong SAR, China 9 9 9 10 10
France 9 9 9 9 9
Colombia 9 9 9 9 9
Romania 9 9 9 9 9
Bulgaria 10 10 10 10 10
Thailand 10 10 10 10 10
Malaysia 10 10 10 10 10
United Kingdom 10 10 10 10 10
Ireland 10 10 10 9 9
Singapore 10 10 10 10 10
New Zealand 10 10 10 10 10
China 10 10 10
Turkmenistan
Monaco
Sint Maarten (Dutch part)
Mexico 8 8 8
Cuba
New Caledonia
Somalia
Macao SAR, China
Myanmar 3 3 3 3
St. Martin (French part)
Tuvalu
Liechtenstein
Pakistan 6 6 6
Libya 1 1 1 1
South Sudan 2 2 2 2
Korea, Dem. People’s Rep.
Greenland
Japan 7 7 7
French Polynesia
Isle of Man
Faroe Islands
Bangladesh 6 6 6
Turks and Caicos Islands
Andorra
Curacao
San Marino 3 3 3 3
Northern Mariana Islands
Russian Federation 6 6 6
United States 7 7 7
Bermuda
Cayman Islands
Nigeria 4 4 7
Brazil 5 5 5
Guam
Virgin Islands (U.S.)
Indonesia 10 10 10
Aruba
India 6 7 7
American Samoa

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