2021 | Number of total visits
Rank | Countries/Territories | Count | Percent |
1 | United States | 30 | 27.3% |
2 | Germany | 23 | 20.9% |
3 | Netherlands | 21 | 19.1% |
4 | China | 17 | 15.5% |
5 | Iran, Islamic Republic of | 5 | 4.5% |
6 | United Kingdom | 4 | 3.6% |
7 | France | 4 | 3.6% |
8 | Canada | 4 | 3.6% |
9 | Bulgaria | 2 | 1.8% |