2017 | Number of total visits
Rank | Countries/Territories | Count | Percent |
1 | United States | 21 | 36.2% |
2 | China | 10 | 17.2% |
3 | Germany | 8 | 13.8% |
4 | Republic of Korea | 8 | 13.8% |
5 | Iran | 3 | 5.2% |
6 | Greece | 2 | 3.4% |
7 | Netherlands | 2 | 3.4% |
8 | Denmark | 1 | 1.7% |
9 | Kazakhstan | 1 | 1.7% |
10 | South Africa | 1 | 1.7% |
11 | Taiwan | 1 | 1.7% |