2021 | Number of total visits
Rank | Countries/Territories | Count | Percent |
1 | United States | 30 | 47.6% |
2 | China | 14 | 22.2% |
3 | Netherlands | 8 | 12.7% |
4 | France | 4 | 6.3% |
5 | Germany | 3 | 4.8% |
6 | Iran, Islamic Republic of | 3 | 4.8% |
7 | Canada | 1 | 1.6% |