Country name 2010 2011 2012 2013
Sweden 0 0 0
United Kingdom 0 0 0
Papua New Guinea 0
Korea, Rep. 0
Ukraine 0 0 0
Belarus 0 0
Kazakhstan 0 0 0 0
Mongolia 0 0 0
Kyrgyz Republic 0 0 0
Armenia 0 0 0
China 0 0 0
Macedonia, FYR 0 0
Indonesia 0 0 0
Bosnia and Herzegovina 0 0
Finland 0 0 0
Tajikistan 0 0 0
Georgia 0 0
Croatia 0 0 0
St. Lucia 0 0 0
Ireland 2 2 0
Sri Lanka 0 1 0
Lithuania 1 0 1
Serbia 1 1 1
Lao PDR 1 1 1
Cyprus 1 1 1
Czech Republic 1 1 1
Slovenia 0 0 1
Cuba 0 1 1
Bulgaria 1 1 1
Fiji 1 1
Slovak Republic 1 1 1
Romania 1 1 1
Cambodia 1 1 1
Tanzania 2 1
Solomon Islands 1 1
Mexico 1 1 1
Azerbaijan 1 2 1
Saudi Arabia 1 1 2 1
Poland 2 2 2
Malta 2 1 2
Germany 2 2 2
Samoa 2 2 2
Denmark 1 1 2
United Arab Emirates 2 2 2
Switzerland 2 2 2
West Bank and Gaza 2 2 2
Oman 2 2
Bahrain 2 2
Austria 0 2 2
Hong Kong SAR, China 4 3 2
Ecuador 3 2 3
Pakistan 3 3 3
Turkey 2 3
Iran, Islamic Rep. 3 3 3
Ghana 3 2
Gambia, The 4 4 3
Estonia 3 4 3
Hungary 3 3
Bangladesh 4 4 3
Latvia 3 4 3
Colombia 2 3 3
Kuwait 3
Bhutan 5 3 3
El Salvador 3 3 4
Panama 5 5 4
Maldives 6 4
Yemen, Rep. 6 4
Venezuela, RB 4 4 4
France 5 5 4
Belize 5 6 4
Nepal 6 5 4 4
Antigua and Barbuda 7 6 4
Syrian Arab Republic 5 5 4
Brunei Darussalam 6 5 5
Dominica 10 8 5
Dominican Republic 6 4 6
Belgium 6 6 6
Egypt, Arab Rep. 6 6 6
Andorra 6 6 6
Macao SAR, China 9 8 7
Djibouti 6 7 9
Mauritania 8
Sierra Leone 14 8
Ethiopia 11 8
Lebanon 10 9 8
Eritrea 9 8 9
Spain 11 10 10
Mauritius 11 10 10
Congo, Dem. Rep. 11
Chile 5 10 11
Equatorial Guinea 12 11
Morocco 12 12 12 11
Madagascar 9 10 12
Malawi 10 12 12
Lesotho 13 13
Algeria 16 13 13
Mozambique 13 14 14
Central African Republic 14
Cameroon 13 14
Senegal 16 15 16
Cote d'Ivoire 17 17
Congo, Rep. 17
Cabo Verde 18 18 18
Namibia 15 18
Niger 18 19 19
Guinea 15 14 22
Chad 21 21 23
Togo 23 26 24
Burundi 25 25 25
Burkina Faso 26 21 26
Liberia 5
Cayman Islands 0
Greenland
Puerto Rico
Luxembourg 8 8
Liechtenstein 0 0
Greece 2 2
Uruguay
Gabon
Rwanda
Japan
Kenya
Jamaica 1 1
Barbados
Malaysia
Jordan 1
French Polynesia
Isle of Man
Mali 18 20
Afghanistan
Libya
San Marino 0 0
Iceland
Canada
Grenada 6
Sint Maarten (Dutch part)
Faeroe Islands
Marshall Islands
South Africa
Iraq
St. Kitts and Nevis 3 3
Honduras
Bermuda
Italy 3 3
Thailand
Micronesia, Fed. Sts.
Tonga
Moldova 0 0
Angola
Monaco
Guyana 8
Curacao
Portugal
Montenegro
Qatar 2
Israel 1 1
Russian Federation
Kosovo
Korea, Dem. Rep.
Myanmar 1
Sao Tome and Principe 34 21 17
Guam
Kiribati
Guinea-Bissau 14
Seychelles
Netherlands 5
Singapore
New Caledonia
Guatemala 2 2
New Zealand
Nicaragua 4
Somalia
St. Martin (French part)
South Sudan 6
Sudan
Brazil
Swaziland 10 10
Botswana
Nigeria
St. Vincent and the Grenadines 3
Northern Mariana Islands
Suriname 13
Norway
Bolivia 4 4
Costa Rica
Benin 23
Tunisia 13
Bahamas, The 1
Turkmenistan
Timor-Leste 2 2
Tuvalu
Aruba
Trinidad and Tobago 1
Palau
Australia
Vanuatu 2
Turks and Caicos Islands
Vietnam
Uganda 2 2
Haiti
Argentina 8 9
Peru 4 4
United States
Philippines
Uzbekistan
Zambia 6 7
American Samoa
India
Virgin Islands (U.S.)
Comoros
Albania
Paraguay 1 1
Zimbabwe

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