2021 | Number of total visits
Rank | Countries/Territories | Count | Percent |
1 | United States | 18 | 35.3% |
2 | Iran, Islamic Republic of | 10 | 19.6% |
3 | China | 6 | 11.8% |
4 | Japan | 5 | 9.8% |
5 | Netherlands | 3 | 5.9% |
6 | Spain | 3 | 5.9% |
7 | Korea, Republic of | 2 | 3.9% |
8 | France | 2 | 3.9% |
9 | Germany | 2 | 3.9% |