2021 | Number of total visits
Rank | Countries/Territories | Count | Percent |
1 | United States | 13 | 46.4% |
2 | China | 4 | 14.3% |
3 | Romania | 3 | 10.7% |
4 | Russia | 2 | 7.1% |
5 | Taiwan | 2 | 7.1% |
6 | Korea, Republic of | 2 | 7.1% |
7 | Netherlands | 2 | 7.1% |