Rank	Countries/Territories	Count	Percent
1	United States	322	37.6%
2	China	277	32.3%
3	Germany	62	7.2%
4	Ireland	26	3%
5	Japan	24	2.8%
6	India	16	1.9%
7	Korea, Republic of	15	1.8%
8	Netherlands	12	1.4%
9	Hong Kong	12	1.4%
10	France	8	0.9%
11	Viet Nam	8	0.9%
12	Canada	7	0.8%
13	Singapore	7	0.8%
14	Sweden	5	0.6%
15	Cyprus	5	0.6%
16	Czech Republic	5	0.6%
17	Macao	4	0.5%
18	Poland	3	0.4%
19	Portugal	3	0.4%
20	Taiwan	3	0.4%
21	Thailand	3	0.4%
22	Ukraine	3	0.4%
23	Italy	3	0.4%
24	Iran, Islamic Republic of	3	0.4%
25	Georgia	2	0.2%
26	Denmark	2	0.2%
27	Egypt	2	0.2%
28	Brazil	2	0.2%
29	Romania	2	0.2%
30	Russia	2	0.2%
31	Malaysia	2	0.2%
32	Serbia	1	0.1%
33	Spain	1	0.1%
34	United Kingdom	1	0.1%
35	Armenia	1	0.1%
36	Australia	1	0.1%
37	Greece	1	0.1%
38	Indonesia	1	0.1%