Rank	Countries/Territories	Count	Percent
1	United States	389	45.4%
2	China	260	30.4%
3	Germany	58	6.8%
4	France	29	3.4%
5	Japan	21	2.5%
6	Russia	12	1.4%
7	Singapore	9	1.1%
8	Netherlands	9	1.1%
9	Australia	8	0.9%
10	Korea, Republic of	7	0.8%
11	Canada	6	0.7%
12	India	6	0.7%
13	Hong Kong	5	0.6%
14	Latvia	3	0.4%
15	Argentina	3	0.4%
16	Viet Nam	3	0.4%
17	Nigeria	3	0.4%
18	Philippines	2	0.2%
19	Spain	2	0.2%
20	Taiwan	2	0.2%
21	Turkey	2	0.2%
22	Ukraine	2	0.2%
23	United Kingdom	2	0.2%
24	Indonesia	2	0.2%
25	Cyprus	2	0.2%
26	Mexico	2	0.2%
27	Mongolia	2	0.2%
28	Greece	1	0.1%
29	Bangladesh	1	0.1%
30	Brazil	1	0.1%
31	Bulgaria	1	0.1%
32	Poland	1	0.1%