Rank	Countries/Territories	Count	Percent
1	United States	331	35.7%
2	China	295	31.8%
3	Germany	70	7.5%
4	Canada	32	3.4%
5	France	26	2.8%
6	India	20	2.2%
7	United Kingdom	19	2%
8	Australia	13	1.4%
9	Netherlands	12	1.3%
10	Switzerland	12	1.3%
11	Japan	10	1.1%
12	Korea, Republic of	10	1.1%
13	Spain	10	1.1%
14	Italy	9	1%
15	Finland	6	0.6%
16	Taiwan	5	0.5%
17	Sweden	5	0.5%
18	Argentina	4	0.4%
19	Belgium	3	0.3%
20	Cyprus	3	0.3%
21	Poland	3	0.3%
22	Romania	2	0.2%
23	Singapore	2	0.2%
24	Jamaica	2	0.2%
25	Denmark	2	0.2%
26	Albania	2	0.2%
27	Iran, Islamic Republic of	2	0.2%
28	Ireland	2	0.2%
29	Malaysia	2	0.2%
30	Thailand	2	0.2%
31	Virgin Islands, U.S.	1	0.1%
32	Israel	1	0.1%
33	Hong Kong	1	0.1%
34	Brazil	1	0.1%
35	Czech Republic	1	0.1%
36	Sri Lanka	1	0.1%
37	Slovenia	1	0.1%
38	Liechtenstein	1	0.1%
39	Lithuania	1	0.1%
40	New Zealand	1	0.1%
41	Norway	1	0.1%
42	Peru	1	0.1%