2021 | Number of total visits
Rank | Countries/Territories | Count | Percent |
1 | United States | 44 | 42.3% |
2 | China | 23 | 22.1% |
3 | Netherlands | 20 | 19.2% |
4 | Germany | 9 | 8.7% |
5 | Iran, Islamic Republic of | 3 | 2.9% |
6 | Canada | 3 | 2.9% |
7 | France | 2 | 1.9% |