Rank	Countries/Territories	Count	Percent
1	United States	546	44.4%
2	China	257	20.9%
3	Germany	116	9.4%
4		46	3.7%
5	Czech Republic	35	2.8%
6	Canada	18	1.5%
7	Japan	17	1.4%
8	Poland	17	1.4%
9	Belgium	16	1.3%
10	Bulgaria	14	1.1%
11	United Kingdom	14	1.1%
12	Singapore	13	1.1%
13	Korea, Republic of	12	1%
14	Norway	11	0.9%
15	Australia	10	0.8%
16	Cyprus	10	0.8%
17	Hong Kong	10	0.8%
18	Russia	9	0.7%
19	Netherlands	8	0.7%
20	Brazil	7	0.6%
21	Ukraine	7	0.6%
22	India	5	0.4%
23	Lebanon	5	0.4%
24	France	3	0.2%
25	Taiwan	3	0.2%
26	Bangladesh	3	0.2%
27	Austria	2	0.2%
28	Argentina	2	0.2%
29	Denmark	2	0.2%
30	New Zealand	2	0.2%
31	Malaysia	2	0.2%
32	Mexico	2	0.2%
33	Turkey	1	0.1%
34	Spain	1	0.1%
35	Portugal	1	0.1%
36	Romania	1	0.1%
37	Ireland	1	0.1%