Rank	Countries/Territories	Count	Percent
1	United States	418	38.4%
2	China	373	34.3%
3	Germany	87	8%
4	Japan	28	2.6%
5	India	22	2%
6	Romania	16	1.5%
7	Italy	15	1.4%
8	Turkey	12	1.1%
9	United Kingdom	12	1.1%
10	Latvia	11	1%
11	Korea, Republic of	9	0.8%
12	Hong Kong	9	0.8%
13	France	9	0.8%
14	Taiwan	8	0.7%
15	Russia	6	0.6%
16	Switzerland	5	0.5%
17	Brazil	5	0.5%
18	Singapore	4	0.4%
19	Spain	3	0.3%
20	Netherlands	3	0.3%
21	Pakistan	3	0.3%
22	Thailand	3	0.3%
23	New Zealand	2	0.2%
24	Mongolia	2	0.2%
25	Qatar	2	0.2%
26	Canada	2	0.2%
27	Australia	2	0.2%
28	Croatia	2	0.2%
29	Cyprus	2	0.2%
30	Israel	2	0.2%
31	Iran, Islamic Republic of	1	0.1%
32	Ireland	1	0.1%
33	Argentina	1	0.1%
34	Colombia	1	0.1%
35	Bahrain	1	0.1%
36	Belgium	1	0.1%
37	Chile	1	0.1%
38	Saudi Arabia	1	0.1%
39	Slovakia	1	0.1%
40	Poland	1	0.1%
41	Lithuania	1	0.1%
42	Uruguay	1	0.1%