Rank	Countries/Territories	Count	Percent
1	United States	429	39.3%
2	China	356	32.6%
3	India	82	7.5%
4	Germany	63	5.8%
5	Japan	38	3.5%
6	Brazil	21	1.9%
7	France	14	1.3%
8	Italy	10	0.9%
9	Czech Republic	9	0.8%
10	Korea, Republic of	8	0.7%
11	Israel	7	0.6%
12	Russia	6	0.5%
13	Hong Kong	6	0.5%
14	Canada	5	0.5%
15	Netherlands	5	0.5%
16	Ukraine	3	0.3%
17	South Africa	3	0.3%
18	Ireland	3	0.3%
19	Iran, Islamic Republic of	2	0.2%
20	Australia	2	0.2%
21	Belgium	2	0.2%
22	Spain	2	0.2%
23	Romania	2	0.2%
24	Switzerland	2	0.2%
25	Singapore	2	0.2%
26	Slovakia	1	0.1%
27	Norway	1	0.1%
28	Luxembourg	1	0.1%
29	Sweden	1	0.1%
30	United Kingdom	1	0.1%
31	Afghanistan	1	0.1%
32	Argentina	1	0.1%
33	Hungary	1	0.1%
34	Greece	1	0.1%