2018 | Number of total visits
Rank | Countries/Territories | Count | Percent |
1 | United States | 27 | 61.4% |
2 | China | 4 | 9.1% |
3 | Republic of Korea | 3 | 6.8% |
4 | Costa Rica | 2 | 4.5% |
5 | France | 2 | 4.5% |
6 | Iran | 1 | 2.3% |
7 | Iran, Islamic Republic of | 1 | 2.3% |
8 | Netherlands | 1 | 2.3% |
9 | Vietnam | 1 | 2.3% |
10 | Belgium | 1 | 2.3% |
11 | Bolivia | 1 | 2.3% |