2021 | Number of total visits
Rank | Countries/Territories | Count | Percent |
1 | United States | 19 | 47.5% |
2 | China | 7 | 17.5% |
3 | Iran, Islamic Republic of | 3 | 7.5% |
4 | United Kingdom | 3 | 7.5% |
5 | Korea, Republic of | 2 | 5% |
6 | Netherlands | 2 | 5% |
7 | France | 2 | 5% |
8 | Germany | 2 | 5% |