Rank	Countries/Territories	Count	Percent
1	United States	404	37.6%
2	China	370	34.4%
3	Germany	72	6.7%
4	India	49	4.6%
5	Japan	24	2.2%
6	Korea, Republic of	23	2.1%
7	Canada	15	1.4%
8	Brazil	13	1.2%
9	Latvia	13	1.2%
10	Netherlands	9	0.8%
11	Spain	8	0.7%
12	Russia	6	0.6%
13	South Africa	6	0.6%
14	Saudi Arabia	5	0.5%
15	Cote D'ivoire	5	0.5%
16	Argentina	4	0.4%
17	Poland	4	0.4%
18	Taiwan	3	0.3%
19	Pakistan	3	0.3%
20	Ireland	3	0.3%
21	Australia	3	0.3%
22	Cyprus	3	0.3%
23	Finland	3	0.3%
24	France	3	0.3%
25	Belgium	2	0.2%
26	Iran, Islamic Republic of	2	0.2%
27	Hong Kong	2	0.2%
28	Mongolia	2	0.2%
29	Norway	2	0.2%
30	Turkey	2	0.2%
31	Singapore	2	0.2%
32	United Kingdom	2	0.2%
33	Romania	1	0.1%
34	Ukraine	1	0.1%
35	United Arab Emirates	1	0.1%
36	New Zealand	1	0.1%
37	Israel	1	0.1%
38	Italy	1	0.1%
39	Ghana	1	0.1%
40	Lithuania	1	0.1%