Rank	Countries/Territories	Count	Percent
1	United States	309	39.2%
2	China	207	26.2%
3	Germany	60	7.6%
4	India	55	7%
5	Russia	20	2.5%
6	Japan	13	1.6%
7	France	13	1.6%
8	Netherlands	12	1.5%
9	Taiwan	11	1.4%
10	Korea, Republic of	9	1.1%
11	Morocco	7	0.9%
12	Spain	7	0.9%
13	Sweden	6	0.8%
14	Cote D'ivoire	6	0.8%
15	Australia	6	0.8%
16	Ireland	5	0.6%
17	United Kingdom	5	0.6%
18	Italy	4	0.5%
19	Romania	4	0.5%
20	Canada	3	0.4%
21	Mexico	2	0.3%
22	Iran, Islamic Republic of	2	0.3%
23	Thailand	2	0.3%
24	Turkey	2	0.3%
25	United Arab Emirates	2	0.3%
26	Peru	2	0.3%
27	Slovenia	2	0.3%
28	Viet Nam	2	0.3%
29	Poland	1	0.1%
30	New Zealand	1	0.1%
31	Norway	1	0.1%
32	Saudi Arabia	1	0.1%
33	Senegal	1	0.1%
34	Singapore	1	0.1%
35	Israel	1	0.1%
36	Lithuania	1	0.1%
37	Hong Kong	1	0.1%
38	Belgium	1	0.1%
39	Cyprus	1	0.1%