Rank	Countries/Territories	Count	Percent
1	United States	514	38.5%
2	China	350	26.2%
3	Germany	128	9.6%
4	Japan	77	5.8%
5	Latvia	47	3.5%
6	France	39	2.9%
7	Turkey	26	1.9%
8	Singapore	19	1.4%
9	Taiwan	17	1.3%
10	United Kingdom	17	1.3%
11	Netherlands	12	0.9%
12	Korea, Republic of	12	0.9%
13	India	11	0.8%
14	Canada	11	0.8%
15	Cyprus	11	0.8%
16		5	0.4%
17	Argentina	5	0.4%
18	Australia	4	0.3%
19	Iran, Islamic Republic of	3	0.2%
20	Ireland	3	0.2%
21	Hong Kong	3	0.2%
22	Kenya	3	0.2%
23	Romania	3	0.2%
24	Viet Nam	2	0.1%
25	Malta	2	0.1%
26	Armenia	2	0.1%
27	Bulgaria	1	0.1%
28	Egypt	1	0.1%
29	Jordan	1	0.1%
30	Mongolia	1	0.1%
31	Libya	1	0.1%
32	Pakistan	1	0.1%
33	Philippines	1	0.1%
34	Poland	1	0.1%
35	Russia	1	0.1%