Rank	Countries/Territories	Count	Percent
1	United States	289	39.4%
2	China	190	25.9%
3	Germany	58	7.9%
4	India	52	7.1%
5	Russia	19	2.6%
6	Japan	12	1.6%
7	Netherlands	11	1.5%
8	Taiwan	11	1.5%
9	Korea, Republic of	9	1.2%
10	Spain	7	1%
11	Morocco	7	1%
12	Sweden	6	0.8%
13	Cote D'ivoire	6	0.8%
14	Australia	6	0.8%
15	France	5	0.7%
16	Ireland	5	0.7%
17	United Kingdom	5	0.7%
18	Romania	4	0.5%
19	Italy	4	0.5%
20	Mexico	2	0.3%
21	Iran, Islamic Republic of	2	0.3%
22	Peru	2	0.3%
23	Slovenia	2	0.3%
24	Thailand	2	0.3%
25	Turkey	2	0.3%
26	United Arab Emirates	2	0.3%
27	Viet Nam	2	0.3%
28	Poland	1	0.1%
29	Saudi Arabia	1	0.1%
30	Senegal	1	0.1%
31	Singapore	1	0.1%
32	Hong Kong	1	0.1%
33	Belgium	1	0.1%
34	Canada	1	0.1%
35	New Zealand	1	0.1%
36	Norway	1	0.1%
37	Israel	1	0.1%
38	Lithuania	1	0.1%