2021 | Number of total visits
Rank | Countries/Territories | Count | Percent |
1 | United States | 36 | 39.6% |
2 | Netherlands | 24 | 26.4% |
3 | Switzerland | 7 | 7.7% |
4 | China | 6 | 6.6% |
5 | France | 4 | 4.4% |
6 | Germany | 4 | 4.4% |
7 | Spain | 3 | 3.3% |
8 | Colombia | 3 | 3.3% |
9 | Austria | 2 | 2.2% |
10 | Canada | 1 | 1.1% |
11 | Korea, Republic of | 1 | 1.1% |