2021 | Number of total visits
Rank | Countries/Territories | Count | Percent |
1 | United States | 56 | 52.3% |
2 | Netherlands | 17 | 15.9% |
3 | Iran, Islamic Republic of | 11 | 10.3% |
4 | China | 10 | 9.3% |
5 | Germany | 7 | 6.5% |
6 | France | 2 | 1.9% |
7 | Korea, Republic of | 2 | 1.9% |
8 | Japan | 1 | 0.9% |
9 | Canada | 1 | 0.9% |