Rank	Countries/Territories	Count	Percent
1	United States	225	37.9%
2	China	192	32.4%
3	Germany	81	13.7%
4	France	32	5.4%
5	Singapore	8	1.3%
6	Netherlands	7	1.2%
7	Japan	7	1.2%
8	India	6	1%
9	Iran, Islamic Republic of	4	0.7%
10	Cyprus	3	0.5%
11	Bangladesh	3	0.5%
12	Norway	3	0.5%
13	Russia	3	0.5%
14	Slovakia	2	0.3%
15	Canada	2	0.3%
16	Australia	2	0.3%
17	Greece	2	0.3%
18	Ireland	2	0.3%
19	Israel	2	0.3%
20	Malaysia	2	0.3%
21	Mexico	2	0.3%
22	Korea, Republic of	1	0.2%
23	Spain	1	0.2%
24	Philippines	1	0.2%