2021 | Number of total visits
Rank | Countries/Territories | Count | Percent |
1 | United States | 18 | 39.1% |
2 | Canada | 7 | 15.2% |
3 | China | 7 | 15.2% |
4 | Iran, Islamic Republic of | 5 | 10.9% |
5 | Russia | 5 | 10.9% |
6 | Netherlands | 2 | 4.3% |
7 | Germany | 1 | 2.2% |
8 | United Kingdom | 1 | 2.2% |