Rank	Countries/Territories	Count	Percent
1	United States	511	40.2%
2	China	379	29.8%
3	Germany	135	10.6%
4	France	37	2.9%
5	Latvia	31	2.4%
6	Japan	26	2%
7	Singapore	22	1.7%
8	India	13	1%
9	Slovakia	11	0.9%
10	Hong Kong	10	0.8%
11	Cyprus	10	0.8%
12	Australia	10	0.8%
13	Korea, Republic of	9	0.7%
14	Canada	8	0.6%
15	Netherlands	8	0.6%
16	Thailand	7	0.6%
17	Ukraine	4	0.3%
18	Lithuania	3	0.2%
19	Argentina	3	0.2%
20	Bangladesh	3	0.2%
21	Croatia	3	0.2%
22	Ireland	3	0.2%
23	Israel	3	0.2%
24	Greece	3	0.2%
25	Viet Nam	3	0.2%
26	Indonesia	2	0.2%
27	Mongolia	2	0.2%
28	Morocco	2	0.2%
29	Romania	2	0.2%
30	Turkey	2	0.2%
31	Serbia	2	0.2%
32	Spain	1	0.1%
33	United Kingdom	1	0.1%
34	Russia	1	0.1%
35	Philippines	1	0.1%
36	Brazil	1	0.1%