Rank	Countries/Territories	Count	Percent
1	United States	493	37.7%
2	China	486	37.2%
3	Germany	101	7.7%
4	Japan	35	2.7%
5	France	28	2.1%
6	Netherlands	16	1.2%
7	India	13	1%
8	Singapore	11	0.8%
9	United Kingdom	11	0.8%
10	Ireland	10	0.8%
11	Canada	10	0.8%
12	Cyprus	9	0.7%
13	Indonesia	8	0.6%
14	Turkey	8	0.6%
15	Mexico	7	0.5%
16	Hong Kong	7	0.5%
17	Argentina	6	0.5%
18		5	0.4%
19	Iran, Islamic Republic of	4	0.3%
20	Latvia	4	0.3%
21	Ukraine	4	0.3%
22	South Africa	4	0.3%
23	Brazil	3	0.2%
24	Ethiopia	3	0.2%
25	Finland	3	0.2%
26	Australia	2	0.2%
27	Bangladesh	2	0.2%
28	Spain	2	0.2%
29	Saudi Arabia	2	0.2%
30	Portugal	2	0.2%
31	Romania	1	0.1%
32	Pakistan	1	0.1%
33	Poland	1	0.1%
34	Korea, Republic of	1	0.1%
35	United Arab Emirates	1	0.1%
36	Taiwan	1	0.1%
37	Thailand	1	0.1%
38	Cameroon	1	0.1%