Rank	Countries/Territories	Count	Percent
1	United States	507	47.2%
2	China	262	24.4%
3	Germany	74	6.9%
4	India	38	3.5%
5	Singapore	29	2.7%
6	Ireland	24	2.2%
7	Mexico	22	2%
8	Japan	18	1.7%
9	Iran, Islamic Republic of	10	0.9%
10	Netherlands	9	0.8%
11	United Kingdom	8	0.7%
12	Greece	8	0.7%
13	Malaysia	7	0.7%
14	Turkey	7	0.7%
15	Egypt	6	0.6%
16	France	6	0.6%
17	Cyprus	4	0.4%
18	Hong Kong	4	0.4%
19	Australia	3	0.3%
20	Ukraine	3	0.3%
21	Viet Nam	3	0.3%
22	Romania	2	0.2%
23	Taiwan	2	0.2%
24	Thailand	2	0.2%
25	Bangladesh	2	0.2%
26	Belgium	2	0.2%
27	Brazil	2	0.2%
28	Canada	2	0.2%
29	Denmark	2	0.2%
30	Argentina	2	0.2%
31	Kuwait	2	0.2%
32	Korea, Republic of	1	0.1%
33	Spain	1	0.1%
34	Saudi Arabia	1	0.1%