Rank	Countries/Territories	Count	Percent
1	United States	483	41%
2	China	447	37.9%
3	Germany	85	7.2%
4	Latvia	46	3.9%
5	France	45	3.8%
6	Japan	12	1%
7	Korea, Republic of	11	0.9%
8	Cyprus	8	0.7%
9	Hong Kong	6	0.5%
10	Singapore	6	0.5%
11	Switzerland	4	0.3%
12	Netherlands	4	0.3%
13	Canada	4	0.3%
14	Kenya	3	0.3%
15	Russia	2	0.2%
16	India	2	0.2%
17	Iran, Islamic Republic of	2	0.2%
18	Australia	2	0.2%
19	Bangladesh	2	0.2%
20	Bulgaria	2	0.2%
21	Norway	1	0.1%
22	Ukraine	1	0.1%
23	United Kingdom	1	0.1%