2021 | Number of total visits
Rank | Countries/Territories | Count | Percent |
1 | United States | 31 | 44.3% |
2 | Netherlands | 13 | 18.6% |
3 | Germany | 10 | 14.3% |
4 | China | 9 | 12.9% |
5 | Italy | 3 | 4.3% |
6 | Taiwan | 2 | 2.9% |
7 | Canada | 1 | 1.4% |
8 | France | 1 | 1.4% |