Rank	Countries/Territories	Count	Percent
1	United States	441	39.9%
2	China	377	34.1%
3	Germany	91	8.2%
4	India	36	3.3%
5	France	22	2%
6	Japan	17	1.5%
7	Latvia	17	1.5%
8	Spain	9	0.8%
9	Netherlands	9	0.8%
10	Singapore	8	0.7%
11	Taiwan	8	0.7%
12	United Kingdom	7	0.6%
13	Morocco	7	0.6%
14	Ireland	6	0.5%
15	Hong Kong	6	0.5%
16	Brazil	5	0.5%
17	Canada	5	0.5%
18	Russia	5	0.5%
19	Korea, Republic of	4	0.4%
20	Iran, Islamic Republic of	3	0.3%
21	Australia	3	0.3%
22	Slovenia	3	0.3%
23	Portugal	2	0.2%
24	Thailand	2	0.2%
25	Ukraine	2	0.2%
26	Sweden	2	0.2%
27	Chile	2	0.2%
28	Indonesia	2	0.2%
29	Mexico	1	0.1%
30	Argentina	1	0.1%
31	Cyprus	1	0.1%
32	Pakistan	1	0.1%