| Countries |
| Germany |
| 88.71% |
| United States of America |
| 4.86% |
| Netherlands |
| 1.24% |
| Switzerland |
| 0.94% |
| Austria |
| 0.84% |
| France |
| 0.57% |
| Denmark |
| 0.37% |
| Czech Republic |
| 0.30% |
| United Kingdom |
| 0.30% |
| Italy |
| 0.27% |
| Sweden |
| 0.13% |
| Hungary |
| 0.13% |
| Spain |
| 0.13% |
| Poland |
| 0.13% |
| Canada |
| 0.10% |
| Singapore |
| 0.10% |
| Ireland |
| 0.07% |
| Portugal |
| 0.07% |
| Japan |
| 0.07% |
| Luxembourg |
| 0.07% |
| Belgium |
| 0.07% |
| Turkey |
| 0.03% |
| Russia |
| 0.03% |
| Serbia |
| 0.03% |
| Mexico |
| 0.03% |
| Hong Kong |
| 0.03% |
| Israel |
| 0.03% |
| South Africa |
| 0.03% |
| Croatia |
| 0.03% |
| Kenya |
| 0.03% |
| Latvia |
| 0.03% |
| India |
| 0.03% |
| Romania |
| 0.03% |
| Brazil |
| 0.03% |
| Liechtenstein |
| 0.03% |
| Taiwan |
| 0.03% |
| Vietnam |
| 0.03% |
