Rank	Countries/Territories	Count	Percent
1	United States	324	35.6%
2	China	255	28%
3	India	157	17.2%
4	Germany	50	5.5%
5	Japan	21	2.3%
6	Canada	14	1.5%
7	Czech Republic	9	1%
8	France	8	0.9%
9	Italy	7	0.8%
10	Korea, Republic of	6	0.7%
11	Russia	6	0.7%
12	Trinidad and Tobago	5	0.5%
13	Israel	5	0.5%
14	Netherlands	5	0.5%
15	Ireland	4	0.4%
16	Brazil	4	0.4%
17	Dominican Republic	3	0.3%
18	United Kingdom	3	0.3%
19	Philippines	3	0.3%
20	Taiwan	2	0.2%
21	Ukraine	2	0.2%
22	Luxembourg	2	0.2%
23	Cyprus	2	0.2%
24	Iran, Islamic Republic of	2	0.2%
25	Hong Kong	2	0.2%
26	Hungary	1	0.1%
27	Ghana	1	0.1%
28	Australia	1	0.1%
29	Belgium	1	0.1%
30	Mexico	1	0.1%
31	Norway	1	0.1%
32	Poland	1	0.1%
33	Romania	1	0.1%
34	South Africa	1	0.1%
35	Spain	1	0.1%