Rank	Countries/Territories	Count	Percent
1	United States	675	41.8%
2	China	396	24.5%
3	Germany	123	7.6%
4	Czech Republic	75	4.6%
5	Russia	56	3.5%
6	France	49	3%
7	Japan	45	2.8%
8	Korea, Republic of	29	1.8%
9	Ukraine	26	1.6%
10	Singapore	21	1.3%
11	Indonesia	13	0.8%
12	Cyprus	11	0.7%
13	Taiwan	9	0.6%
14	Viet Nam	9	0.6%
15	Thailand	8	0.5%
16	Netherlands	8	0.5%
17	Malaysia	6	0.4%
18	Romania	5	0.3%
19	Ireland	5	0.3%
20	Latvia	5	0.3%
21	Hong Kong	4	0.2%
22	Canada	4	0.2%
23	United Kingdom	4	0.2%
24	Turkey	3	0.2%
25	Mexico	3	0.2%
26	Mongolia	3	0.2%
27	Egypt	3	0.2%
28	Australia	3	0.2%
29	India	3	0.2%
30	Israel	2	0.1%
31	Denmark	2	0.1%
32	Sweden	2	0.1%
33	Norway	1	0.1%
34	Paraguay	1	0.1%
35	South Africa	1	0.1%
36	Bulgaria	1	0.1%
37	Liechtenstein	1	0.1%
38	Luxembourg	1	0.1%