Rank	Countries/Territories	Count	Percent
1	China	630	40.6%
2	United States	499	32.2%
3	Germany	144	9.3%
4	Latvia	49	3.2%
5	Japan	49	3.2%
6	Korea, Republic of	18	1.2%
7	Singapore	18	1.2%
8	France	18	1.2%
9	India	17	1.1%
10	Netherlands	17	1.1%
11	Russia	14	0.9%
12	United Kingdom	12	0.8%
13	Hong Kong	9	0.6%
14	Cameroon	8	0.5%
15	Canada	7	0.5%
16	Australia	5	0.3%
17	Bulgaria	4	0.3%
18	Cyprus	4	0.3%
19	Iran, Islamic Republic of	4	0.3%
20	Taiwan	3	0.2%
21	Turkey	2	0.1%
22	Ukraine	2	0.1%
23	Sweden	2	0.1%
24	Lithuania	2	0.1%
25	Malaysia	2	0.1%
26	Hungary	2	0.1%
27	Czech Republic	2	0.1%
28	Denmark	2	0.1%
29	Argentina	1	0.1%
30	Belgium	1	0.1%
31	Ireland	1	0.1%
32	Georgia	1	0.1%
33	Nepal	1	0.1%