Country name 2010 2011 2012 2013
Papua New Guinea 0
United Arab Emirates 2 0 0
San Marino 0 0 0
Sweden 0 0 0
United States 0 0 0
United Kingdom 0 0 0
Macedonia, FYR 0 0
Japan 0 0 0
Korea, Rep. 0 0 0
Belarus 0 0
Kazakhstan 0 0 0 0
Bosnia and Herzegovina 0 0 0
Kyrgyz Republic 0 0 0
Brunei Darussalam 0 0 0
Montenegro 0 0
Ukraine 0 0 0
Mongolia 0 0 0
Cyprus 0 0 0
Bulgaria 1 0 0
China 0 0 0
Armenia 0 0 0
Georgia 0 0
Tajikistan 0 0 0
Croatia 0 0 0
Azerbaijan 0 0 0
Finland 0 0 0
Serbia 0 0 0
Cuba 0 0 0
Fiji 0 0
Estonia 0 0 0
Lithuania 0 0 0
Malta 1 0 0
Germany 0 0 0
Czech Republic 1 0 0
Poland 0 1 0
Denmark 0 0 1
Jordan 1 1
Kuwait 1 1 1
Hong Kong SAR, China 1 1 1
Slovenia 1 1 1
West Bank and Gaza 0 1 1
Albania 1 1 1
Sri Lanka 1 1 1
St. Kitts and Nevis 1 2 1
Bahrain 1 1 1
Samoa 1 2 1
Latvia 2 2 1
Oman 1 1
Iran, Islamic Rep. 1 1 1
Switzerland 1 1 1
Romania 2 1 1
Ecuador 2 1 1
Saudi Arabia 2 1 1
Hungary 2 1 2
St. Lucia 2 2 2
Andorra 2 2 2
Spain 2 2 2
Austria 0 2 2
Colombia 2 2 2
Mexico 3 2 2
Antigua and Barbuda 6 4 2
Egypt, Arab Rep. 3 3 2
Tonga 2
Tanzania 2 3
Gambia, The 3 3 3
Turkey 2 3 3
Jamaica 3 3 3
Slovak Republic 3 3 3
Indonesia 3 3 3
Venezuela, RB 3 3 3
Ghana 3 3 3
Maldives 3 3 3
Belgium 3 3 3
Mauritius 3 3 3
Macao SAR, China 4 4 3
Pakistan 4 4 3
Senegal 6 3 3
Chile 3 4 4
Niger 4 4 4
St. Vincent and the Grenadines 3 4 4
Mauritania 4 4
Dominica 3 5 4
Honduras 1 4 4
Peru 6 5 4
Costa Rica 5 5 4
Bhutan 6 5 5
Panama 4 5 5
Algeria 6 5 5
El Salvador 5 5 5
Cambodia 8 6 5
Zambia 6 6 5
Dominican Republic 5 5 5
Morocco 9 6 6 7
Yemen, Rep. 6 6
Belize 6 7 6
Syrian Arab Republic 6 6 6
Lebanon 7 8 7
Mozambique 7 7 7
Cabo Verde 8 8 8
Solomon Islands 8 8
Burkina Faso 10 8
Ethiopia 8 10 8
Djibouti 9 9 9
Lao PDR 13 11 10
Sao Tome and Principe 12 11 10 11
Congo, Dem. Rep. 14 13 11
Eritrea 13 10 12
Benin 13 11 12
Nepal 14 12 12 11
Cameroon 13 12 12
Namibia 13 12
Rwanda 14 13 12
Lesotho 17 15 14
Sierra Leone 16 14
Guinea 18 14 14
Equatorial Guinea 19 18 17
Mali 13 13 19
Cote d'Ivoire 19
Madagascar 19 18 19
Malawi 19 19 19
Togo 22 22 20
Congo, Rep. 18 18 21
Central African Republic 21 23 23
Chad 23 22 24
Burundi 34 36 33
Turkmenistan
Micronesia, Fed. Sts.
Guatemala 11 10
Marshall Islands
Cayman Islands 0
Uruguay 4
Moldova 0 0
Monaco
Thailand
Korea, Dem. Rep.
Guam
Grenada 2
Bermuda
Greenland
Barbados
Afghanistan
Guinea-Bissau 14
Myanmar 0
South Africa
Iceland 0 0
India 5
Libya
Netherlands
Suriname 13
New Caledonia
Botswana
New Zealand
Haiti
Guyana 0
Tunisia 4
Kosovo
Tuvalu
Liechtenstein 0 0
Bahamas, The 3
Sint Maarten (Dutch part)
Malaysia
Nicaragua 7
Greece 1 1
Nigeria
Seychelles
Northern Mariana Islands
Singapore
Italy 0 0
Comoros
Norway
Gabon
Somalia
French Polynesia
South Sudan 11
Palau
France
Canada 0 0
Faeroe Islands
St. Martin (French part)
Paraguay 4 4
Sudan
Kiribati
Swaziland 13 13
Ireland 1 1
Philippines
Brazil
Vietnam
Bolivia 5 5
Argentina 4 3
Timor-Leste 15 16
American Samoa
Kenya
Trinidad and Tobago 5
Vanuatu 12
Liberia 7
Luxembourg 0 0
Turks and Caicos Islands
Iraq
Uganda 11 10
Isle of Man
Bangladesh 12 9
Curacao
Australia
Israel 1 1
Uzbekistan 0 0
Russian Federation
Aruba 6
Portugal
Virgin Islands (U.S.)
Puerto Rico
Angola 12 13
Qatar 0
Zimbabwe

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