Rank	Countries/Territories	Count	Percent
1	United States	574	42.8%
2	China	480	35.8%
3	Germany	130	9.7%
4	France	47	3.5%
5	Japan	12	0.9%
6	Canada	12	0.9%
7	Singapore	10	0.7%
8	Korea, Republic of	10	0.7%
9	India	7	0.5%
10	Ireland	7	0.5%
11	Netherlands	6	0.4%
12	Norway	5	0.4%
13	Greece	5	0.4%
14	Australia	5	0.4%
15	Cyprus	4	0.3%
16	Argentina	3	0.2%
17	Taiwan	3	0.2%
18	Viet Nam	3	0.2%
19	Ukraine	2	0.1%
20	Peru	2	0.1%
21	Austria	2	0.1%
22	Bangladesh	2	0.1%
23	Lithuania	2	0.1%
24	Malaysia	2	0.1%
25	Mongolia	2	0.1%
26	Hong Kong	1	0.1%
27	Algeria	1	0.1%
28	Georgia	1	0.1%
29	Romania	1	0.1%
30	Russia	1	0.1%