Rank	Countries/Territories	Count	Percent
1	United States	282	30.3%
2	China	272	29.2%
3	Germany	112	12%
4	Japan	39	4.2%
5	Korea, Republic of	32	3.4%
6	Latvia	26	2.8%
7	United Kingdom	23	2.5%
8	Netherlands	18	1.9%
9	Singapore	14	1.5%
10	France	13	1.4%
11	Brazil	11	1.2%
12	Hong Kong	9	1%
13	Australia	8	0.9%
14	Italy	8	0.9%
15	Cyprus	7	0.8%
16	Canada	5	0.5%
17	Turkey	5	0.5%
18	Romania	5	0.5%
19	Russia	4	0.4%
20	Taiwan	4	0.4%
21	Slovenia	4	0.4%
22	Ireland	4	0.4%
23	Viet Nam	4	0.4%
24	Portugal	3	0.3%
25	Iran, Islamic Republic of	3	0.3%
26	Bangladesh	2	0.2%
27	Qatar	2	0.2%
28	Israel	2	0.2%
29	Thailand	2	0.2%
30	Ukraine	2	0.2%
31	South Africa	1	0.1%
32	Sweden	1	0.1%
33	Georgia	1	0.1%
34	Argentina	1	0.1%
35	Indonesia	1	0.1%
36	Mexico	1	0.1%