Rank	Countries/Territories	Count	Percent
1	United States	417	41.6%
2	China	320	31.9%
3	Germany	124	12.4%
4	France	21	2.1%
5	Canada	20	2%
6	Japan	19	1.9%
7	United Kingdom	12	1.2%
8	Netherlands	6	0.6%
9	Singapore	6	0.6%
10	Cyprus	6	0.6%
11	Brazil	6	0.6%
12	India	4	0.4%
13	Iran, Islamic Republic of	4	0.4%
14	Georgia	3	0.3%
15	Hong Kong	3	0.3%
16	Australia	2	0.2%
17	Ireland	2	0.2%
18	Italy	2	0.2%
19	Korea, Republic of	2	0.2%
20	Malaysia	2	0.2%
21	Mongolia	2	0.2%
22	Taiwan	2	0.2%
23	Turkey	2	0.2%
24	Ukraine	2	0.2%
25	United Arab Emirates	2	0.2%
26	Norway	2	0.2%
27	Pakistan	2	0.2%
28	Romania	2	0.2%
29	Russia	2	0.2%
30	Viet Nam	2	0.2%
31	Latvia	1	0.1%