Rank	Countries/Territories	Count	Percent
1	United States	521	35.6%
2	China	519	35.5%
3	Germany	107	7.3%
4	India	83	5.7%
5	Canada	29	2%
6	Japan	29	2%
7	Korea, Republic of	28	1.9%
8	Latvia	13	0.9%
9	Brazil	13	0.9%
10	Netherlands	11	0.8%
11	Spain	9	0.6%
12	Taiwan	8	0.5%
13	France	8	0.5%
14	Senegal	7	0.5%
15	Russia	6	0.4%
16	South Africa	6	0.4%
17	Saudi Arabia	5	0.3%
18	Cote D'ivoire	5	0.3%
19	Cyprus	5	0.3%
20	Argentina	4	0.3%
21	Australia	4	0.3%
22	Singapore	4	0.3%
23	Poland	4	0.3%
24	Pakistan	3	0.2%
25	Finland	3	0.2%
26	Ireland	3	0.2%
27	Turkey	3	0.2%
28	Ukraine	2	0.1%
29	United Kingdom	2	0.1%
30	Iran, Islamic Republic of	2	0.1%
31	Belgium	2	0.1%
32	Norway	2	0.1%
33	Hong Kong	2	0.1%
34	Mongolia	2	0.1%
35	New Zealand	1	0.1%
36	Lithuania	1	0.1%
37	Romania	1	0.1%
38	Chile	1	0.1%
39	Israel	1	0.1%
40	Italy	1	0.1%
41	Ghana	1	0.1%
42	United Arab Emirates	1	0.1%
43	Thailand	1	0.1%