
Rank | Countries/Territories | Count | Percent |
1 | China | 49 | 27.4% |
2 | United States | 33 | 18.4% |
3 | Ireland | 30 | 16.8% |
4 | Germany | 19 | 10.6% |
5 | Russia | 15 | 8.4% |
6 | Canada | 9 | 5% |
7 | Korea, Republic of | 6 | 3.4% |
8 | Australia | 3 | 1.7% |
9 | Denmark | 3 | 1.7% |
10 | Hong Kong | 2 | 1.1% |
11 | Israel | 2 | 1.1% |
12 | Japan | 2 | 1.1% |
13 | Netherlands | 2 | 1.1% |
14 | Spain | 2 | 1.1% |
15 | Sweden | 1 | 0.6% |
16 | France | 1 | 0.6% |






