Rank	Countries/Territories	Count	Percent
1	United States	439	39%
2	China	301	26.8%
3	Germany	86	7.6%
4	Singapore	77	6.8%
5	France	45	4%
6	Canada	28	2.5%
7	Latvia	24	2.1%
8	Japan	14	1.2%
9	Korea, Republic of	14	1.2%
10	Netherlands	11	1%
11	India	9	0.8%
12	Taiwan	8	0.7%
13	Russia	7	0.6%
14	Hong Kong	6	0.5%
15	Argentina	6	0.5%
16	Australia	5	0.4%
17	Iran, Islamic Republic of	5	0.4%
18	United Kingdom	5	0.4%
19	Poland	4	0.4%
20	Belgium	4	0.4%
21	Cyprus	4	0.4%
22	Ireland	3	0.3%
23	Italy	3	0.3%
24	Lithuania	2	0.2%
25	Malaysia	2	0.2%
26	Spain	2	0.2%
27	Norway	2	0.2%
28	Turkey	2	0.2%
29	Ukraine	2	0.2%
30	Pakistan	1	0.1%
31	Sweden	1	0.1%
32	Mongolia	1	0.1%
33	Morocco	1	0.1%
34	Indonesia	1	0.1%