Rank	Countries/Territories	Count	Percent
1	United States	379	36.8%
2	China	287	27.8%
3	Germany	104	10.1%
4	Latvia	40	3.9%
5	Japan	34	3.3%
6	France	30	2.9%
7	Netherlands	30	2.9%
8	Canada	24	2.3%
9	United Kingdom	11	1.1%
10	Russia	10	1%
11	Singapore	10	1%
12	India	10	1%
13	Korea, Republic of	7	0.7%
14	Australia	7	0.7%
15	Bulgaria	6	0.6%
16	Cyprus	5	0.5%
17	Poland	4	0.4%
18	Turkey	4	0.4%
19	Italy	3	0.3%
20	Bangladesh	3	0.3%
21	Lithuania	2	0.2%
22	Moldova, Republic of	2	0.2%
23	Indonesia	2	0.2%
24	Hong Kong	2	0.2%
25	Romania	2	0.2%
26	Nigeria	2	0.2%
27	Norway	2	0.2%
28	South Africa	2	0.2%
29	Taiwan	1	0.1%
30	Tunisia	1	0.1%
31	Ukraine	1	0.1%
32	Iran, Islamic Republic of	1	0.1%
33	Belgium	1	0.1%
34	Argentina	1	0.1%
35	Denmark	1	0.1%