2018 | Number of total visits
Rank | Countries/Territories | Count | Percent |
1 | United States | 19 | 41.3% |
2 | China | 7 | 15.2% |
3 | Taiwan | 5 | 10.9% |
4 | Switzerland | 4 | 8.7% |
5 | Iran | 4 | 8.7% |
6 | France | 2 | 4.3% |
7 | Germany | 2 | 4.3% |
8 | India | 1 | 2.2% |
9 | Japan | 1 | 2.2% |
10 | Spain | 1 | 2.2% |