Rank	Countries/Territories	Count	Percent
1	United States	521	39.2%
2	China	357	26.9%
3	Germany	140	10.5%
4	Korea, Republic of	50	3.8%
5	France	49	3.7%
6	Canada	37	2.8%
7	Japan	33	2.5%
8	Ireland	20	1.5%
9	Hong Kong	19	1.4%
10	Cyprus	12	0.9%
11	Netherlands	12	0.9%
12	Switzerland	10	0.8%
13	United Kingdom	9	0.7%
14	India	9	0.7%
15		5	0.4%
16	Russia	5	0.4%
17	Bangladesh	4	0.3%
18	Latvia	4	0.3%
19	Australia	3	0.2%
20	Taiwan	3	0.2%
21	Ukraine	3	0.2%
22	Malaysia	3	0.2%
23	Montenegro	2	0.2%
24	New Zealand	2	0.2%
25	Peru	2	0.2%
26	Philippines	2	0.2%
27	Turkey	2	0.2%
28	Finland	2	0.2%
29	Israel	2	0.2%
30	Lithuania	1	0.1%
31	Greece	1	0.1%
32	Czech Republic	1	0.1%
33	Saudi Arabia	1	0.1%
34	Singapore	1	0.1%
35	Norway	1	0.1%
36	Mexico	1	0.1%