2021 | Number of total visits
Rank | Countries/Territories | Count | Percent |
1 | United States | 22 | 46.8% |
2 | China | 11 | 23.4% |
3 | Netherlands | 6 | 12.8% |
4 | Canada | 4 | 8.5% |
5 | Czech Republic | 1 | 2.1% |
6 | France | 1 | 2.1% |
7 | Germany | 1 | 2.1% |
8 | Korea, Republic of | 1 | 2.1% |