Rank	Countries/Territories	Count	Percent
1	United States	610	40.5%
2	China	393	26.1%
3	Korea, Republic of	116	7.7%
4	Germany	93	6.2%
5	India	75	5%
6	Ireland	42	2.8%
7	Russia	23	1.5%
8	Japan	21	1.4%
9	Netherlands	16	1.1%
10	Canada	12	0.8%
11	United Kingdom	12	0.8%
12	Turkey	10	0.7%
13	Iran, Islamic Republic of	9	0.6%
14	France	8	0.5%
15	Australia	8	0.5%
16	Hong Kong	7	0.5%
17	Spain	4	0.3%
18	Taiwan	4	0.3%
19	Brazil	4	0.3%
20	Cyprus	4	0.3%
21	Chile	3	0.2%
22	Argentina	3	0.2%
23	Denmark	3	0.2%
24	Egypt	3	0.2%
25	Thailand	3	0.2%
26	Singapore	3	0.2%
27	Malaysia	2	0.1%
28	Ukraine	2	0.1%
29	New Zealand	2	0.1%
30	Norway	2	0.1%
31	Peru	2	0.1%
32	Romania	2	0.1%
33	Czech Republic	2	0.1%
34	Croatia	1	0.1%
35	Greece	1	0.1%
36	Israel	1	0.1%
37	Italy	1	0.1%
38	Mongolia	1	0.1%