Rank	Countries/Territories	Count	Percent
1	United States	654	42.9%
2	China	398	26.1%
3	Germany	110	7.2%
4	Japan	54	3.5%
5	Canada	48	3.1%
6		48	3.1%
7	Russia	33	2.2%
8	France	26	1.7%
9	Singapore	24	1.6%
10	Argentina	23	1.5%
11	Switzerland	16	1%
12	Netherlands	12	0.8%
13	Cyprus	11	0.7%
14	Korea, Republic of	8	0.5%
15	India	6	0.4%
16	Iran, Islamic Republic of	5	0.3%
17	Australia	5	0.3%
18	Latvia	5	0.3%
19	Spain	4	0.3%
20	Ireland	4	0.3%
21	Italy	3	0.2%
22	Indonesia	3	0.2%
23	Hong Kong	3	0.2%
24	United Kingdom	3	0.2%
25	Viet Nam	3	0.2%
26	Taiwan	2	0.1%
27	Mexico	2	0.1%
28	Romania	2	0.1%
29	Bangladesh	2	0.1%
30	Denmark	1	0.1%
31	Austria	1	0.1%
32	Israel	1	0.1%
33	Norway	1	0.1%
34	Peru	1	0.1%
35	Malaysia	1	0.1%
36	Ukraine	1	0.1%
37	South Africa	1	0.1%