Rank	Countries/Territories	Count	Percent
1	United States	138	35.5%
2	China	123	31.6%
3	Germany	37	9.5%
4	India	10	2.6%
5	Spain	10	2.6%
6	Singapore	9	2.3%
7	Netherlands	8	2.1%
8	Poland	5	1.3%
9	Ireland	4	1%
10	Cyprus	4	1%
11	Czech Republic	4	1%
12	France	4	1%
13	Canada	3	0.8%
14	Japan	3	0.8%
15	Malaysia	3	0.8%
16	Russia	2	0.5%
17	Sweden	2	0.5%
18	Jordan	2	0.5%
19	Korea, Republic of	2	0.5%
20	Italy	2	0.5%
21	Iran, Islamic Republic of	2	0.5%
22	Australia	2	0.5%
23	Bangladesh	2	0.5%
24	Brazil	2	0.5%
25	Denmark	2	0.5%
26	El Salvador	2	0.5%
27	Philippines	1	0.3%
28	Taiwan	1	0.3%