Rank	Countries/Territories	Count	Percent
1	United States	476	36.3%
2	China	462	35.2%
3	Germany	50	3.8%
4	Canada	42	3.2%
5	Ireland	35	2.7%
6	Japan	35	2.7%
7	Korea, Republic of	25	1.9%
8	India	24	1.8%
9	Brazil	17	1.3%
10	Israel	15	1.1%
11	Taiwan	12	0.9%
12	Netherlands	11	0.8%
13	Hong Kong	11	0.8%
14	France	10	0.8%
15	Iran, Islamic Republic of	10	0.8%
16	United Kingdom	10	0.8%
17	Turkey	8	0.6%
18	Australia	8	0.6%
19	Cote D'ivoire	7	0.5%
20	Czech Republic	6	0.5%
21	Indonesia	6	0.5%
22	Ukraine	6	0.5%
23	Singapore	5	0.4%
24	Russia	4	0.3%
25	Romania	3	0.2%
26	Denmark	3	0.2%
27	Argentina	2	0.2%
28	Hungary	2	0.2%
29	Italy	1	0.1%
30	Austria	1	0.1%
31	Bangladesh	1	0.1%
32	Cyprus	1	0.1%
33	Slovakia	1	0.1%
34	Sweden	1	0.1%
35	Norway	1	0.1%