2018 | Number of total visits
Rank | Countries/Territories | Count | Percent |
1 | United States | 31 | 47% |
2 | Germany | 11 | 16.7% |
3 | China | 10 | 15.2% |
4 | France | 8 | 12.1% |
5 | Switzerland | 3 | 4.5% |
6 | Republic of Korea | 2 | 3% |
7 | Iran | 1 | 1.5% |