2021 | Number of total visits
Rank | Countries/Territories | Count | Percent |
1 | United States | 23 | 33.8% |
2 | China | 9 | 13.2% |
3 | Netherlands | 8 | 11.8% |
4 | Russia | 8 | 11.8% |
5 | Canada | 7 | 10.3% |
6 | Belgium | 4 | 5.9% |
7 | Korea, Republic of | 4 | 5.9% |
8 | Germany | 3 | 4.4% |
9 | France | 2 | 2.9% |