Rank	Countries/Territories	Count	Percent
1	United States	335	38%
2	China	286	32.4%
3	Germany	105	11.9%
4	Japan	37	4.2%
5	Latvia	21	2.4%
6	France	16	1.8%
7	India	13	1.5%
8	Canada	12	1.4%
9	Singapore	11	1.2%
10	Cyprus	10	1.1%
11	Netherlands	6	0.7%
12	Sweden	6	0.7%
13	Turkey	5	0.6%
14	Bangladesh	3	0.3%
15	Brazil	3	0.3%
16	Russia	2	0.2%
17	Moldova, Republic of	2	0.2%
18	Korea, Republic of	2	0.2%
19	Hong Kong	2	0.2%
20	Taiwan	2	0.2%
21	United Kingdom	1	0.1%
22	Argentina	1	0.1%
23	Australia	1	0.1%