Rank	Countries/Territories	Count	Percent
1	United States	487	34.9%
2	China	412	29.6%
3	Germany	147	10.5%
4	India	105	7.5%
5	Czech Republic	61	4.4%
6	France	34	2.4%
7	Netherlands	16	1.1%
8	Singapore	11	0.8%
9	Poland	9	0.6%
10	Canada	9	0.6%
11	Cyprus	9	0.6%
12	Japan	8	0.6%
13	Korea, Republic of	8	0.6%
14	Ireland	7	0.5%
15	Italy	7	0.5%
16	Romania	6	0.4%
17	Bulgaria	5	0.4%
18	Sweden	5	0.4%
19	United Kingdom	4	0.3%
20	Turkey	4	0.3%
21	Hong Kong	4	0.3%
22	Australia	3	0.2%
23	Russia	3	0.2%
24	Spain	3	0.2%
25	Thailand	3	0.2%
26	Taiwan	2	0.1%
27	Saudi Arabia	2	0.1%
28	Portugal	2	0.1%
29	Mexico	2	0.1%
30	Latvia	2	0.1%
31	Iran, Islamic Republic of	2	0.1%
32	Finland	2	0.1%
33	Greece	1	0.1%
34	Bangladesh	1	0.1%
35	Brazil	1	0.1%
36	Argentina	1	0.1%
37	Denmark	1	0.1%
38	Malaysia	1	0.1%
39	Mongolia	1	0.1%
40	Israel	1	0.1%
41	Norway	1	0.1%
42	Ukraine	1	0.1%