2021 | Number of total visits
Rank | Countries/Territories | Count | Percent |
1 | Germany | 10 | 41.7% |
2 | United States | 4 | 16.7% |
3 | China | 3 | 12.5% |
4 | Luxembourg | 2 | 8.3% |
5 | Switzerland | 2 | 8.3% |
6 | Taiwan | 2 | 8.3% |
7 | Netherlands | 1 | 4.2% |