Rank	Countries/Territories	Count	Percent
1	United States	363	38.7%
2	China	255	27.2%
3	Germany	88	9.4%
4	Russia	25	2.7%
5	Korea, Republic of	19	2%
6	France	18	1.9%
7	Japan	18	1.9%
8	Ukraine	13	1.4%
9	Switzerland	12	1.3%
10	Netherlands	10	1.1%
11	Australia	10	1.1%
12	India	8	0.9%
13	Sweden	8	0.9%
14	United Kingdom	8	0.9%
15	Singapore	7	0.7%
16	Puerto Rico	6	0.6%
17	Canada	6	0.6%
18	Czech Republic	6	0.6%
19	Ecuador	6	0.6%
20	Viet Nam	6	0.6%
21	Belgium	5	0.5%
22	Brazil	5	0.5%
23	Israel	4	0.4%
24	Spain	4	0.4%
25	Norway	3	0.3%
26	Hong Kong	3	0.3%
27	Indonesia	2	0.2%
28	Bangladesh	2	0.2%
29	Cyprus	2	0.2%
30	Peru	2	0.2%
31	New Zealand	2	0.2%
32	Lithuania	2	0.2%
33	United Arab Emirates	2	0.2%
34	Taiwan	2	0.2%
35	Thailand	2	0.2%
36	Turkey	2	0.2%
37	Malaysia	1	0.1%