Rank	Countries/Territories	Count	Percent
1	United States	445	46.2%
2	China	291	30.2%
3	Germany	98	10.2%
4	France	32	3.3%
5	Japan	12	1.2%
6	Canada	10	1%
7	Singapore	10	1%
8	Korea, Republic of	8	0.8%
9	Ireland	7	0.7%
10	Netherlands	5	0.5%
11	India	5	0.5%
12	Greece	5	0.5%
13	Australia	5	0.5%
14	Argentina	3	0.3%
15	Cyprus	3	0.3%
16	Norway	3	0.3%
17	Viet Nam	3	0.3%
18	Taiwan	2	0.2%
19	Ukraine	2	0.2%
20	Peru	2	0.2%
21	Austria	2	0.2%
22	Bangladesh	2	0.2%
23	Malaysia	2	0.2%
24	Mongolia	2	0.2%
25	Hong Kong	1	0.1%
26	Algeria	1	0.1%
27	Georgia	1	0.1%
28	Romania	1	0.1%
29	Russia	1	0.1%