2021 | Number of total visits
Rank | Countries/Territories | Count | Percent |
1 | United States | 20 | 45.5% |
2 | Iran, Islamic Republic of | 7 | 15.9% |
3 | China | 6 | 13.6% |
4 | Czech Republic | 6 | 13.6% |
5 | Brazil | 2 | 4.5% |
6 | India | 2 | 4.5% |
7 | Germany | 1 | 2.3% |