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

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