Rank	Countries/Territories	Count	Percent
1	United States	496	37.9%
2	China	366	28%
3	Germany	89	6.8%
4	Singapore	77	5.9%
5	France	65	5%
6	Canada	38	2.9%
7	Latvia	24	1.8%
8	Japan	14	1.1%
9	Korea, Republic of	14	1.1%
10	Netherlands	14	1.1%
11	India	12	0.9%
12	Taiwan	10	0.8%
13	Pakistan	8	0.6%
14	Russia	7	0.5%
15	Hong Kong	7	0.5%
16	Cyprus	6	0.5%
17	Argentina	6	0.5%
18	United Kingdom	6	0.5%
19	Australia	5	0.4%
20	Iran, Islamic Republic of	5	0.4%
21	Belgium	4	0.3%
22	Denmark	4	0.3%
23	Sweden	4	0.3%
24	Poland	4	0.3%
25	Ireland	3	0.2%
26	Italy	3	0.2%
27	Lithuania	2	0.2%
28	Malaysia	2	0.2%
29	Norway	2	0.2%
30	Turkey	2	0.2%
31	Ukraine	2	0.2%
32	South Africa	2	0.2%
33	Spain	2	0.2%
34	Mongolia	1	0.1%
35	Morocco	1	0.1%
36	Indonesia	1	0.1%
37	Chile	1	0.1%