2021 | Number of total visits
Rank | Countries/Territories | Count | Percent |
1 | Germany | 33 | 27.7% |
2 | United States | 26 | 21.8% |
3 | Netherlands | 21 | 17.6% |
4 | Canada | 18 | 15.1% |
5 | China | 11 | 9.2% |
6 | United Kingdom | 3 | 2.5% |
7 | Czech Republic | 2 | 1.7% |
8 | Iran, Islamic Republic of | 2 | 1.7% |
9 | Korea, Republic of | 1 | 0.8% |
10 | Russia | 1 | 0.8% |
11 | France | 1 | 0.8% |