Germany 1,521
United States 536
Russian Federation 105
China 48
Belgium 37
Italy 33
Brazil 33
Poland 32
Switzerland 28
Austria 27
Netherlands 26
Canada 26
Ukraine 17
United Kingdom 16
Spain 15
European Union 11
Czech Republic 10
Japan 9
Finland 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