2021 | Number of total visits
Rank | Countries/Territories | Count | Percent |
1 | United States | 52 | 55.3% |
2 | Netherlands | 15 | 16% |
3 | Canada | 8 | 8.5% |
4 | China | 7 | 7.4% |
5 | United Kingdom | 5 | 5.3% |
6 | Iran, Islamic Republic of | 4 | 4.3% |
7 | Switzerland | 3 | 3.2% |