Rank	Countries/Territories	Count	Percent
1	United States	594	45%
2	China	324	24.5%
3	Germany	169	12.8%
4	Ireland	72	5.5%
5	Australia	21	1.6%
6	France	20	1.5%
7	Japan	16	1.2%
8	Switzerland	13	1%
9	Netherlands	13	1%
10	Canada	12	0.9%
11	India	11	0.8%
12	Cyprus	8	0.6%
13	Korea, Republic of	4	0.3%
14	Mexico	4	0.3%
15	Malaysia	3	0.2%
16	Belgium	3	0.2%
17	Greece	3	0.2%
18	Hong Kong	3	0.2%
19	Hungary	2	0.2%
20	Argentina	2	0.2%
21	Finland	2	0.2%
22	Indonesia	2	0.2%
23	Iran, Islamic Republic of	2	0.2%
24	United Kingdom	2	0.2%
25	Norway	2	0.2%
26	Pakistan	2	0.2%
27	Singapore	2	0.2%
28	South Africa	2	0.2%
29	Spain	1	0.1%
30	Sweden	1	0.1%
31	Russia	1	0.1%
32	Taiwan	1	0.1%
33	Turkey	1	0.1%
34	Ukraine	1	0.1%
35	Lithuania	1	0.1%