Nigeria 2,502
South Africa 1,351
United States 782
Ghana 575
European Union 567
Kenya 494
United Kingdom 178
Zimbabwe 175
Lesotho 133
Zambia 123
Uganda 110
India 107
Namibia 86
Sierra Leone 74
Ireland 61
Cameroon 60
Malawi 59
France 58
Botswana 54
Russian Federation 43
Gambia 30
United Arab Emirates 28
Germany 24
Romania 23
Tanzania, United Republic of 21
Canada 16
Liberia 16
Qatar 16
Swaziland 16
Mauritius 14
Poland 12
Rwanda 11
Switzerland 9
Saudi Arabia 8
Congo, The Democratic Republic of the 8
Netherlands 7
Benin 7
Jamaica 6
Italy 6
Czech Republic 6
Luxembourg 6
Algeria 6
Lithuania 5
Singapore 4
Libyan Arab Jamahiriya 4
Indonesia 4
Côte d'Ivoire 4
Turkey 4
Burkina Faso 3
Uruguay 3
Greece 3
Denmark 3
Finland 3
Spain 2
Morocco 2
Taiwan, Province of China 2
Hong Kong 2
Australia 2
Madagascar 2
Egypt 2
Kazakhstan 2
China 2
Equatorial Guinea 2
Austria 2
Mozambique 2
Belgium 2
Iran, Islamic Republic of 2
Sweden 2
Philippines 1
Ukraine 1
New Zealand 1
Serbia 1
Pakistan 1
Ethiopia 1
Bahrain 1
Barbados 1
Belarus 1
Moldova, Republic of 1
Brazil 1
Hungary 1
Thailand 1
Bulgaria 1
Cayman Islands 1
Lebanon 1
Malaysia 1
Bangladesh 1
Monaco 1
Japan 1
Réunion 1
Viet Nam 1