2017 | Number of total visits
Rank | Countries/Territories | Count | Percent |
1 | United States | 22 | 40% |
2 | China | 20 | 36.4% |
3 | Germany | 5 | 9.1% |
4 | Switzerland | 3 | 5.5% |
5 | France | 2 | 3.6% |
6 | Ireland | 1 | 1.8% |
7 | Netherlands | 1 | 1.8% |
8 | Republic of Korea | 1 | 1.8% |