Rank	Countries/Territories	Count	Percent
1	United States	393	37.3%
2	China	371	35.2%
3	Germany	58	5.5%
4	Japan	36	3.4%
5	Netherlands	29	2.8%
6	France	22	2.1%
7	Australia	14	1.3%
8	Canada	12	1.1%
9	Ireland	12	1.1%
10	Turkey	9	0.9%
11	Hong Kong	9	0.9%
12	Philippines	7	0.7%
13	Singapore	6	0.6%
14	Korea, Republic of	6	0.6%
15	Indonesia	6	0.6%
16	Cyprus	6	0.6%
17	Mexico	5	0.5%
18	Romania	4	0.4%
19	Czech Republic	4	0.4%
20	Argentina	4	0.4%
21	Austria	4	0.4%
22	India	4	0.4%
23	United Kingdom	4	0.4%
24	Brazil	3	0.3%
25	Slovakia	3	0.3%
26	Taiwan	3	0.3%
27	Iraq	3	0.3%
28	Nigeria	3	0.3%
29	Thailand	2	0.2%
30	Togo	2	0.2%
31	Russia	2	0.2%
32	Iran, Islamic Republic of	2	0.2%
33	Georgia	1	0.1%
34	Greece	1	0.1%
35	Denmark	1	0.1%
36	Ukraine	1	0.1%
37	Malaysia	1	0.1%
38	Italy	1	0.1%