Rank	Countries/Territories	Count	Percent
1	United States	651	44.2%
2	China	466	31.7%
3	Germany	115	7.8%
4	France	61	4.1%
5	Korea, Republic of	31	2.1%
6	Japan	20	1.4%
7	Spain	13	0.9%
8	Canada	12	0.8%
9	Netherlands	10	0.7%
10	Australia	9	0.6%
11	Romania	8	0.5%
12	Cyprus	7	0.5%
13	Egypt	5	0.3%
14	Ireland	5	0.3%
15	Hong Kong	5	0.3%
16	Oman	5	0.3%
17	Norway	4	0.3%
18	Ukraine	4	0.3%
19	India	4	0.3%
20	Indonesia	4	0.3%
21	Viet Nam	4	0.3%
22	Iran, Islamic Republic of	3	0.2%
23	Singapore	3	0.2%
24	Malaysia	3	0.2%
25	Morocco	2	0.1%
26	Peru	2	0.1%
27	Switzerland	2	0.1%
28	Saudi Arabia	2	0.1%
29	Italy	2	0.1%
30	Latvia	2	0.1%
31	Denmark	2	0.1%
32	Argentina	2	0.1%
33	Bangladesh	1	0.1%
34	Sweden	1	0.1%
35	United Kingdom	1	0.1%
36	Mexico	1	0.1%