Country name 2010 2011 2012 2013 2014
Palau 0 0 0 0 0
Micronesia, Fed. Sts. 0 0 0 0 0
Honduras 0 0 0 0 0
Sudan 0 0 0 0 0
Maldives 0 0 0 0 0
Switzerland 0 0 0 0 0
Afghanistan 1 1 1 1 1
Ecuador 1 1 1 1 2
Suriname 1 1 1 1 1
Cabo Verde 1 1 1 1 1
Greece 1 1 5 7 7
Nicaragua 1 1 1 1 1
Bolivia 1 1 1 1 1
Gambia, The 2 2 2 2 2
Fiji 2 2 2 2 2
Czech Republic 2 2 2 2 2
Costa Rica 2 2 2 2 2
Hungary 2 2 2 2 2
Swaziland 2 2 2 2 2
Philippines 2 2 2 2 2
Marshall Islands 2 2 2 2 2
Lao PDR 2 2 2 2 6
Tanzania 2 2 2 2 2
Haiti 2 2 2 2 2
Lesotho 2 2 3 3 3
Barbados 2 2 2 2
Bahamas, The 2 2 2 2 2
Belize 3 3 3 3 3
Solomon Islands 3 3 3 3 3
Ethiopia 3 3 3 3 3
El Salvador 3 3 3 3 3
Tonga 3 3 3 3 3
Croatia 3 3 3 3 3
Slovenia 3 3 5 5 5
Slovak Republic 3 3 3 3 3
Kenya 3 3 3 3 3
Panama 3 3 3 4 4
Guatemala 3 3 3 3 3
Sao Tome and Principe 3 3 3 3 3
Congo, Dem. Rep. 3 3 3 6 7
Netherlands 3 3 4 4 4
Malta 3 3 3 3
Uruguay 3 3 3 3 3
Bosnia and Herzegovina 3 3 3 3 3
Uganda 3 3 3 3 3
Venezuela, RB 3 3 3 3 3
Kuwait 4 4 4 4 4
Malawi 4 4 4 4 4
Liberia 4 4 4 4 4
Uzbekistan 4 4 4 4 7
Antigua and Barbuda 4 4 4 4 4
Grenada 4 4 4 4 4
Zambia 4 4 4 4 4
Jamaica 4 4 4 4 4
Jordan 4 4 4 4 4
Brunei Darussalam 4 4 4 4 4
Iraq 4 4 4 4 4
Mongolia 4 4 5 5 6
Nigeria 4 4 4 4 4
Papua New Guinea 4 4 4 4 4
Seychelles 4 4 4 4 4
St. Vincent and the Grenadines 4 4 4 4 4
Dominica 4 4 4 4 4
Angola 4 4 4 4 4
Ukraine 4 4 4 4 4
Trinidad and Tobago 4 4 4 4 4
Bhutan 4 4 4 4 4
St. Lucia 4 4 4 4 4
Djibouti 4 4 4 4 4
Eritrea 4 4 4 4 4
St. Kitts and Nevis 4 4 4 4 4
United Arab Emirates 4 4 4 6 10
Austria 5 5 5 5 5
Armenia 5 5 5 5 5
Iran, Islamic Rep. 5 5 7 7 7
Montenegro 5 5 5 5 5
Timor-Leste 5 5 5 5 5
Vanuatu 5 5 5 5 5
Brazil 5 5 5 5 5
Spain 5 5 5 5 5
Mozambique 5 5 5 5 5
Germany 5 5 5 5 5
Namibia 5 5 5 5 5
Algeria 5 5 5 5 5
Egypt, Arab Rep. 5 5 5 5 8
Samoa 5 5 5 5 5
Latvia 5 5 5 5 5
Dominican Republic 5 5 5 5 5
Guyana 5 5 5 5 5
Tunisia 5 5 5 5 5
Qatar 5 5 5 5 5
Cambodia 5 5 5 5 5
Mauritania 6 6 6 6 6
Morocco 6 6 6 6 6
Mauritius 6 6 6 6 6
Madagascar 6 6 6 6 6
Sierra Leone 6 6 6 6 6
Togo 6 6 6 6 7
Sri Lanka 4 6 6 6 6
Vietnam 6 6 6 7 7
West Bank and Gaza 6 6 6 6 6
Yemen, Rep. 6 6 6 6 6
Luxembourg 6 6 6 6 6
Senegal 6 6 6 6 7
Pakistan 6 6 6 6 6
Niger 6 6 6 6 7
Paraguay 6 6 6 6 6
Portugal 6 6 6 6 6
Russian Federation 6 6 6 6 6
Nepal 6 6 6 6 6
Mali 6 6 6 6 7
Congo, Rep. 6 6 6 6 7
Cote d'Ivoire 6 6 6 6 7
Comoros 6 6 6 6 7
Kiribati 6 6 6 6 6
Chad 6 6 6 6 7
Finland 6 6 6 6 6
Bangladesh 6 6 6 6 6
Benin 6 6 6 6 7
Equatorial Guinea 6 6 6 6 7
Gabon 6 6 6 6 7
Guinea 6 6 6 6 7
Guinea-Bissau 6 6 6 6 7
Central African Republic 6 6 6 6 7
India 6 6 6 6 7
Burkina Faso 6 6 6 6 7
Cameroon 6 6 6 6 7
Argentina 7 7 7 7 7
Lithuania 5 7 7 7 7
Belarus 5 7 7 7 7
Iceland 5 7 7 7 7
Serbia 7 7 7 7 7
Moldova 7 7 7 7 7
Azerbaijan 7 7 7 7 7
Puerto Rico 7 7 7 7 7
Syrian Arab Republic 7 7 7 7 7
Ghana 7 7 7 7 7
Poland 7 7 7 7 7
Norway 7 7 7 7 7
Denmark 7 7 7 7 7
Albania 7 7 7 7 7
Rwanda 7 7 7 7 7
Italy 7 7 7 7 7
Korea, Rep. 7 7 7 7 7
Japan 7 7 7 7 7
Israel 7 7 7 7 7
United States 7 7 7 7 7
Botswana 7 7 7 7 7
Kazakhstan 6 7 7 7 7
Kyrgyz Republic 7 7 7 7 7
Macedonia, FYR 7 7 7 7 8
South Africa 8 8 8 8 8
Saudi Arabia 8 8 8 8 8
Belgium 8 8 8 8 8
Zimbabwe 8 8 8 8 8
Estonia 8 8 8 8 8
Tajikistan 8 8 8 8 8
Canada 8 8 8 8 8
Australia 8 8 8 8 8
Chile 8 8 8 8 8
Mexico 8 8 8 8 8
Sweden 8 8 8 8 8
Oman 8 8 8 8 8
Cyprus 4 8 8 8 8
Bahrain 8 8 8 8 8
Peru 8 8 9 9 9
Burundi 4 8 8 8 8
Turkey 9 9 9 9 9
Colombia 9 9 9 9 9
Georgia 8 9 9 9 9
Lebanon 9 9 9 9 9
Romania 9 9 9 9 9
Hong Kong SAR, China 9 9 9 9 10
France 9 9 9 9 9
Ireland 10 10 10 10 10
Thailand 10 10 10 10 10
New Zealand 10 10 10 10 10
United Kingdom 10 10 10 10 10
Bulgaria 10 10 10 10 10
Malaysia 10 10 10 10 10
China 10 10 10 10 10
Indonesia 10 10 10 10 10
Singapore 10 10 10 10 10
Sint Maarten (Dutch part)
Libya 1 1 1
American Samoa
Guam
Cayman Islands
Taiwan, China
Greenland
Andorra
Northern Mariana Islands
Monaco
Bermuda
Faeroe Islands
Curacao
South Sudan 2 2 2
Cuba
Isle of Man
Somalia
Myanmar 3 3 3
San Marino 3 3 3
Korea, Dem. Rep.
St. Martin (French part)
Aruba
New Caledonia
French Polynesia
Turkmenistan
Virgin Islands (U.S.)
Turks and Caicos Islands
Liechtenstein
Tuvalu
Macao SAR, China

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