2021 | Number of total visits
Rank | Countries/Territories | Count | Percent |
1 | United States | 39 | 39.8% |
2 | Netherlands | 23 | 23.5% |
3 | Germany | 20 | 20.4% |
4 | China | 6 | 6.1% |
5 | Iran, Islamic Republic of | 3 | 3.1% |
6 | Japan | 3 | 3.1% |
7 | Korea, Republic of | 2 | 2% |
8 | France | 2 | 2% |