Rank	Countries/Territories	Count	Percent
1	United States	370	37.8%
2	China	345	35.2%
3	Germany	86	8.8%
4	Canada	23	2.3%
5	Netherlands	22	2.2%
6	Japan	15	1.5%
7	France	13	1.3%
8	Viet Nam	13	1.3%
9	Iran, Islamic Republic of	11	1.1%
10	Singapore	10	1%
11	Korea, Republic of	8	0.8%
12	India	7	0.7%
13	Switzerland	6	0.6%
14	Taiwan	5	0.5%
15	United Kingdom	5	0.5%
16	Russia	4	0.4%
17	Pakistan	4	0.4%
18	Peru	4	0.4%
19	Argentina	4	0.4%
20	Australia	3	0.3%
21	Cyprus	3	0.3%
22	South Africa	3	0.3%
23	Spain	3	0.3%
24	Thailand	3	0.3%
25	Ukraine	2	0.2%
26	Hong Kong	2	0.2%
27	Denmark	1	0.1%
28	Brazil	1	0.1%
29	Romania	1	0.1%
30	Norway	1	0.1%
31	Mexico	1	0.1%