Rank	Countries/Territories	Count	Percent
1	United States	511	38.4%
2	China	454	34.1%
3	Germany	140	10.5%
4	France	62	4.7%
5	Canada	46	3.5%
6	Netherlands	17	1.3%
7	Cyprus	12	0.9%
8	Japan	10	0.8%
9	Singapore	9	0.7%
10	Korea, Republic of	8	0.6%
11	Australia	7	0.5%
12	Ukraine	7	0.5%
13	India	6	0.5%
14	Ireland	6	0.5%
15	United Kingdom	4	0.3%
16	Spain	4	0.3%
17	Norway	3	0.2%
18	Bangladesh	3	0.2%
19	Argentina	3	0.2%
20	Bulgaria	2	0.2%
21	Czech Republic	2	0.2%
22	Hong Kong	2	0.2%
23	Jordan	2	0.2%
24	Slovakia	2	0.2%
25	Lithuania	2	0.2%
26	Sweden	2	0.2%
27	Switzerland	1	0.1%
28	Oman	1	0.1%
29	Philippines	1	0.1%
30	Russia	1	0.1%
31	Latvia	1	0.1%
32	Denmark	1	0.1%