Country name 2010 2011 2012
China 2 2 2
Sweden 5
Kazakhstan 5 6
Georgia 5 7
Turkmenistan 5
Croatia 5
Vietnam 5
Belarus 5
Ireland 5
Cuba 5 5 5
Ukraine 5
Macedonia, FYR 6
Chile 6
Antigua and Barbuda 6
Serbia 5 6
Canada 6
France 7
Peru 7
Austria 7
Malta 7
United Kingdom 7
Luxembourg 7
Costa Rica 7 7 7
Argentina 7 7
Nicaragua 8
Iran, Islamic Rep. 8
Panama 8
Kiribati 8
Kuwait 8
Brazil 8 9
Venezuela, RB 9
El Salvador 9
Grenada 9
Bulgaria 9 9
Singapore 10
Oman 10 10
San Marino 10
St. Lucia 10
St. Kitts and Nevis 10
St. Vincent and the Grenadines 11
Ghana 11
Dominica 11
Zimbabwe 11
Belize 11
Jamaica 11
Barbados 12
Bahamas, The 12
Uganda 12
Brunei Darussalam 12
Trinidad and Tobago 12
Iraq 13
Nigeria 15
Philippines 16
Mozambique 17
Nepal 18
Senegal 19
Mauritania 35
Switzerland 7
Equatorial Guinea
Portugal 9
Eritrea
New Caledonia
Estonia 5
Slovak Republic 8
Ethiopia
Mongolia 5
Faeroe Islands
Pakistan
Fiji
Sao Tome and Principe
Finland 4
Cambodia 11
Bhutan 10
Curacao
French Polynesia
Myanmar 9
Gabon
Denmark 5
Gambia, The 10
Paraguay
Bermuda
Russian Federation 6
Germany 7
Seychelles
Botswana
South Africa
Greece 10
Sudan
Greenland
Thailand 11
Congo, Rep.
Turks and Caicos Islands
Guam
Morocco
Guatemala
Djibouti
Guinea
Australia 6
Guinea-Bissau 11
Norway
Guyana
Aruba
Haiti 23
Czech Republic 8
Honduras 10
Qatar 8
Hong Kong SAR, China
Samoa
Hungary 9
Cyprus
Iceland 4
Cameroon
India
Solomon Islands
Indonesia 11
Spain 8
Benin
St. Martin (French part)
Egypt, Arab Rep.
Swaziland 9
Congo, Dem. Rep. 10
Tajikistan
Isle of Man
Togo 11
Israel 8
Turkey
Italy 7
Cote d'Ivoire
Comoros
Montenegro 5
Japan 10
Bosnia and Herzegovina 5
Jordan
Namibia
Belgium
Netherlands 6
Kenya
New Zealand 6
Colombia 10
Niger
Korea, Dem. Rep.
Northern Mariana Islands
Korea, Rep.
Central African Republic 14
Kosovo
Palau 7
Ecuador 9
Papua New Guinea
Bangladesh
Armenia 8
Yemen, Rep. 32
Poland 6
Chad 20
Puerto Rico
Afghanistan
Romania 8
Lesotho
Rwanda 7
Liberia
Cayman Islands
Libya
Saudi Arabia 9
Liechtenstein
Angola
Lithuania 5
Sierra Leone 11
Bahrain 10
Sint Maarten (Dutch part)
Macao SAR, China
Slovenia 6
United Arab Emirates
Somalia
United States 8
South Sudan
Uzbekistan
Sri Lanka
Burkina Faso 14
Cabo Verde
Maldives
Burundi 13
Mali 18
Suriname 14
Azerbaijan
Andorra
Marshall Islands
Syrian Arab Republic
Dominican Republic
Tanzania 8
Bolivia
Timor-Leste
Mexico 9
Tonga
Micronesia, Fed. Sts.
Tunisia 7
Moldova 6
American Samoa
Monaco 6
Tuvalu
Mauritius
Algeria
Madagascar
Albania
Malawi 14
Uruguay 8
Malaysia 11
Vanuatu
Virgin Islands (U.S.)
Kyrgyz Republic 6
Lao PDR 15
West Bank and Gaza 9
Latvia 5
Zambia
Lebanon

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