Rank	Countries/Territories	Count	Percent
1	United States	270	37.4%
2	China	167	23.2%
3	Germany	58	8%
4	Ireland	50	6.9%
5	India	43	6%
6	Netherlands	42	5.8%
7	Canada	13	1.8%
8	Japan	11	1.5%
9	France	9	1.2%
10	Korea, Republic of	6	0.8%
11	Switzerland	6	0.8%
12	Cyprus	5	0.7%
13	Australia	5	0.7%
14	Tunisia	3	0.4%
15	Singapore	3	0.4%
16	South Africa	3	0.4%
17	Turkey	2	0.3%
18	New Zealand	2	0.3%
19	Norway	2	0.3%
20	Philippines	2	0.3%
21	Poland	2	0.3%
22	Romania	2	0.3%
23	Russia	2	0.3%
24	Argentina	2	0.3%
25	Cameroon	2	0.3%
26	Georgia	2	0.3%
27	Mexico	2	0.3%
28	Israel	1	0.1%
29	Iran, Islamic Republic of	1	0.1%
30	Hong Kong	1	0.1%
31	Belgium	1	0.1%
32	Viet Nam	1	0.1%