Rank	Countries/Territories	Count	Percent
1	United States	262	43.4%
2	China	136	22.5%
3	Germany	66	10.9%
4	India	42	7%
5	Ireland	21	3.5%
6	Japan	14	2.3%
7	Singapore	13	2.2%
8	Netherlands	9	1.5%
9	Australia	6	1%
10	Spain	4	0.7%
11	Taiwan	4	0.7%
12	Turkey	3	0.5%
13	Russia	3	0.5%
14	Canada	3	0.5%
15	Cyprus	3	0.5%
16	France	3	0.5%
17	Iran, Islamic Republic of	2	0.3%
18	Korea, Republic of	2	0.3%
19	Argentina	2	0.3%
20	United Kingdom	2	0.3%
21	Malaysia	1	0.2%
22	Poland	1	0.2%
23	Georgia	1	0.2%
24	Guatemala	1	0.2%