
Rank | Countries/Territories | Count | Percent |
1 | United States | 102 | 35.4% |
2 | China | 62 | 21.5% |
3 | Ireland | 39 | 13.5% |
4 | Germany | 19 | 6.6% |
5 | Iran, Islamic Republic of | 8 | 2.8% |
6 | Korea, Republic of | 8 | 2.8% |
7 | Spain | 8 | 2.8% |
8 | 6 | 2.1% | |
9 | India | 5 | 1.7% |
10 | Hong Kong | 4 | 1.4% |
11 | United Kingdom | 4 | 1.4% |
12 | Kenya | 3 | 1% |
13 | Sweden | 3 | 1% |
14 | Tanzania, United Republic of | 3 | 1% |
15 | Netherlands | 3 | 1% |
16 | Romania | 3 | 1% |
17 | Russia | 2 | 0.7% |
18 | Japan | 2 | 0.7% |
19 | Jordan | 1 | 0.3% |
20 | Austria | 1 | 0.3% |
21 | Singapore | 1 | 0.3% |
22 | Malaysia | 1 | 0.3% |






