Rank	Countries/Territories	Count	Percent
1	United States	473	42.1%
2	China	194	17.3%
3	Germany	145	12.9%
4	India	113	10.1%
5	Canada	35	3.1%
6	France	28	2.5%
7	Taiwan	25	2.2%
8	Ukraine	20	1.8%
9	Spain	10	0.9%
10	Cyprus	10	0.9%
11	Japan	9	0.8%
12	Netherlands	7	0.6%
13	Australia	6	0.5%
14	Bangladesh	5	0.4%
15	Singapore	5	0.4%
16	Norway	4	0.4%
17	Ecuador	4	0.4%
18	Italy	4	0.4%
19	Argentina	3	0.3%
20	Malaysia	3	0.3%
21	Russia	2	0.2%
22	Philippines	2	0.2%
23	United Kingdom	2	0.2%
24	Brazil	2	0.2%
25	Greece	2	0.2%
26	Hong Kong	2	0.2%
27	Indonesia	2	0.2%
28	Iran, Islamic Republic of	2	0.2%
29	Israel	1	0.1%
30	Luxembourg	1	0.1%
31	Poland	1	0.1%
32	Romania	1	0.1%