2021 | Number of total visits
Rank | Countries/Territories | Count | Percent |
1 | United States | 20 | 36.4% |
2 | China | 17 | 30.9% |
3 | Netherlands | 5 | 9.1% |
4 | Canada | 4 | 7.3% |
5 | Czech Republic | 3 | 5.5% |
6 | France | 2 | 3.6% |
7 | Russia | 2 | 3.6% |
8 | Taiwan | 2 | 3.6% |