2018 | Number of total visits
Rank | Countries/Territories | Count | Percent |
1 | United States | 8 | 34.8% |
2 | China | 6 | 26.1% |
3 | Germany | 5 | 21.7% |
4 | Iran | 1 | 4.3% |
5 | Netherlands | 1 | 4.3% |
6 | Republic of Korea | 1 | 4.3% |
7 | Finland | 1 | 4.3% |