2021 | Number of total visits
Rank | Countries/Territories | Count | Percent |
1 | United States | 17 | 41.5% |
2 | China | 8 | 19.5% |
3 | Switzerland | 5 | 12.2% |
4 | Canada | 3 | 7.3% |
5 | Lithuania | 3 | 7.3% |
6 | Netherlands | 3 | 7.3% |
7 | Korea, Republic of | 2 | 4.9% |