Rank	Countries/Territories	Count	Percent
1	United States	582	38.7%
2	China	501	33.4%
3	Germany	143	9.5%
4	Latvia	71	4.7%
5	France	36	2.4%
6	Canada	29	1.9%
7	India	15	1%
8	Korea, Republic of	14	0.9%
9	Ukraine	13	0.9%
10	Japan	13	0.9%
11	Netherlands	11	0.7%
12	Hong Kong	9	0.6%
13	Switzerland	8	0.5%
14	Poland	7	0.5%
15	Russia	7	0.5%
16	Singapore	7	0.5%
17	Cyprus	7	0.5%
18	United Kingdom	5	0.3%
19	Egypt	3	0.2%
20	Cote D'ivoire	3	0.2%
21	Argentina	2	0.1%
22	Italy	2	0.1%
23	Romania	2	0.1%
24	Spain	2	0.1%
25	Norway	2	0.1%
26	Mongolia	2	0.1%
27	Morocco	2	0.1%
28	Sweden	1	0.1%
29	Malaysia	1	0.1%
30	Ireland	1	0.1%
31	Belgium	1	0.1%