Rank	Countries/Territories	Count	Percent
1	United States	445	37.9%
2	China	307	26.1%
3	Germany	139	11.8%
4	Japan	122	10.4%
5	Singapore	37	3.1%
6	France	22	1.9%
7	Netherlands	16	1.4%
8	Hong Kong	13	1.1%
9	Cyprus	13	1.1%
10	Viet Nam	10	0.9%
11	Thailand	9	0.8%
12	Canada	5	0.4%
13	Iran, Islamic Republic of	5	0.4%
14	Myanmar	3	0.3%
15	Argentina	3	0.3%
16	Pakistan	3	0.3%
17	Sri Lanka	2	0.2%
18	Sweden	2	0.2%
19	Taiwan	2	0.2%
20	United Kingdom	2	0.2%
21	Australia	2	0.2%
22	Bangladesh	2	0.2%
23	Kazakhstan	2	0.2%
24	Korea, Republic of	2	0.2%
25	Latvia	1	0.1%
26	Mexico	1	0.1%
27	Israel	1	0.1%
28	Austria	1	0.1%
29	India	1	0.1%
30	Romania	1	0.1%
31	Norway	1	0.1%