Rank	Countries/Territories	Count	Percent
1	United States	383	52.5%
2	China	105	14.4%
3	Germany	72	9.9%
4	Japan	39	5.3%
5	India	31	4.2%
6	Netherlands	11	1.5%
7	Hong Kong	10	1.4%
8	Spain	9	1.2%
9	Iran, Islamic Republic of	8	1.1%
10	Nigeria	6	0.8%
11	Thailand	6	0.8%
12	France	4	0.5%
13	United Kingdom	4	0.5%
14	Canada	4	0.5%
15	Australia	4	0.5%
16	Belgium	3	0.4%
17	Bulgaria	3	0.4%
18	Philippines	3	0.4%
19	Portugal	3	0.4%
20	South Africa	3	0.4%
21	Ukraine	2	0.3%
22	Malaysia	2	0.3%
23	Morocco	2	0.3%
24	Russia	2	0.3%
25	Singapore	2	0.3%
26	Ireland	2	0.3%
27	Hungary	2	0.3%
28	Bangladesh	2	0.3%
29	Argentina	1	0.1%
30	Cyprus	1	0.1%
31	Romania	1	0.1%