| Region | Count | Percent |
| Czech Republic | 141 | 31.69% |
| United States | 100 | 22.47% |
| Italy | 94 | 21.12% |
| Germany | 52 | 11.69% |
| France | 17 | 3.82% |
| Greece | 9 | 2.02% |
| Netherlands | 8 | 1.80% |
| Canada | 6 | 1.35% |
| United Kingdom | 4 | 0.90% |
| Australia | 4 | 0.90% |
| Singapore | 3 | 0.67% |
| Japan | 2 | 0.45% |
| Unknown | 2 | 0.45% |
| Russian Federation | 1 | 0.22% |
| India | 1 | 0.22% |
| New Zealand | 1 | 0.22% |
| Switzerland | 1 | 0.22% |
| Bulgaria | 1 | 0.22% |