Rank	Countries/Territories	Count	Percent
1	United States	412	40.3%
2	China	236	23.1%
3	Germany	105	10.3%
4	Japan	62	6.1%
5	Latvia	43	4.2%
6	Turkey	21	2.1%
7	France	18	1.8%
8	Taiwan	17	1.7%
9	Singapore	14	1.4%
10	Korea, Republic of	12	1.2%
11	Netherlands	11	1.1%
12	United Kingdom	10	1%
13	India	10	1%
14	Canada	10	1%
15	Cyprus	10	1%
16	Argentina	5	0.5%
17	Australia	3	0.3%
18	Iran, Islamic Republic of	3	0.3%
19	Kenya	3	0.3%
20	Romania	3	0.3%
21	Malta	2	0.2%
22	Viet Nam	2	0.2%
23	Ireland	2	0.2%
24	Hong Kong	2	0.2%
25	Armenia	2	0.2%
26	Bulgaria	1	0.1%
27	Egypt	1	0.1%
28	Jordan	1	0.1%
29	Pakistan	1	0.1%