Rank	Countries/Territories	Count	Percent
1	United States	402	42.5%
2	China	323	34.1%
3	Germany	45	4.8%
4	India	27	2.9%
5	Korea, Republic of	20	2.1%
6	Israel	18	1.9%
7	Japan	12	1.3%
8	Russia	11	1.2%
9	Canada	9	1%
10	Afghanistan	9	1%
11	Netherlands	8	0.8%
12	Australia	6	0.6%
13	Cote D'ivoire	6	0.6%
14	Hong Kong	5	0.5%
15	Philippines	5	0.5%
16	Latvia	4	0.4%
17	Bangladesh	4	0.4%
18	Indonesia	3	0.3%
19	Argentina	3	0.3%
20	Mongolia	3	0.3%
21	Saudi Arabia	3	0.3%
22	Spain	3	0.3%
23	United Kingdom	2	0.2%
24	Singapore	2	0.2%
25	Poland	2	0.2%
26	Austria	2	0.2%
27	Czech Republic	1	0.1%
28	France	1	0.1%
29	Iran, Islamic Republic of	1	0.1%
30	Ireland	1	0.1%
31	Romania	1	0.1%
32	Turkey	1	0.1%
33	Oman	1	0.1%
34	Luxembourg	1	0.1%
35	Italy	1	0.1%