Rank	Countries/Territories	Count	Percent
1	United States	496	57.5%
2	Germany	99	11.5%
3	China	98	11.4%
4	Canada	31	3.6%
5	France	22	2.5%
6	Singapore	19	2.2%
7	Japan	18	2.1%
8	India	16	1.9%
9	Netherlands	10	1.2%
10	Trinidad and Tobago	10	1.2%
11	Korea, Republic of	8	0.9%
12	Cyprus	5	0.6%
13	Poland	4	0.5%
14	Spain	4	0.5%
15	Romania	3	0.3%
16	Ukraine	2	0.2%
17	United Kingdom	2	0.2%
18	Bulgaria	2	0.2%
19	Argentina	2	0.2%
20	Bangladesh	2	0.2%
21	Jordan	2	0.2%
22	Morocco	1	0.1%
23	Ireland	1	0.1%
24	Israel	1	0.1%
25	Belgium	1	0.1%
26	Australia	1	0.1%
27	Russia	1	0.1%
28	Taiwan	1	0.1%
29	Slovakia	1	0.1%