Rank	Countries/Territories	Count	Percent
1	United States	477	42.7%
2	China	318	28.5%
3	Germany	77	6.9%
4	Korea, Republic of	41	3.7%
5	Japan	29	2.6%
6	Hong Kong	23	2.1%
7	Russia	21	1.9%
8	Latvia	15	1.3%
9	Australia	15	1.3%
10	United Kingdom	11	1%
11	Poland	9	0.8%
12	Netherlands	9	0.8%
13	Canada	9	0.8%
14	India	9	0.8%
15	Ireland	9	0.8%
16	Singapore	7	0.6%
17	Israel	5	0.4%
18	Ukraine	4	0.4%
19	Pakistan	4	0.4%
20	Spain	3	0.3%
21	Sweden	3	0.3%
22	France	3	0.3%
23	Iran, Islamic Republic of	2	0.2%
24	Cyprus	2	0.2%
25	Denmark	2	0.2%
26	Switzerland	2	0.2%
27	Taiwan	2	0.2%
28	Thailand	1	0.1%
29	Malaysia	1	0.1%
30	Slovenia	1	0.1%
31	Croatia	1	0.1%
32	Argentina	1	0.1%
33	Brazil	1	0.1%