Germany 1,513
United States 534
Russian Federation 105
China 45
Belgium 37
Brazil 33
Poland 32
Italy 32
Switzerland 28
Austria 27
Netherlands 26
Canada 26
Ukraine 17
United Kingdom 15
Spain 15
European Union 11
Czech Republic 10
Finland 9
Japan 9
Hungary 9
France 8
Australia 7
Denmark 6
Turkey 6
Romania 5
Bulgaria 5
Norway 4
Sweden 3
Mexico 3
Argentina 3
Greece 3
Indonesia 3
Belarus 3
Ecuador 2
Kazakhstan 2
Moldova, Republic of 2
Ireland 2
Portugal 2
Cyprus 2
Kenya 2
Korea, Republic of 2
Israel 2
India 1
Philippines 1
South Africa 1
Liechtenstein 1
Slovakia 1
Chile 1
Colombia 1
Uruguay 1
Serbia 1
Iceland 1
Venezuela, Bolivarian Republic of 1
Luxembourg 1
Thailand 1
El Salvador 1