Rank	Countries/Territories	Count	Percent
1	United States	417	37.7%
2	China	402	36.3%
3	Germany	45	4.1%
4	Brazil	35	3.2%
5	Japan	32	2.9%
6	Netherlands	29	2.6%
7	Singapore	20	1.8%
8	India	18	1.6%
9	Russia	13	1.2%
10	Australia	12	1.1%
11	Korea, Republic of	11	1%
12	Canada	10	0.9%
13	Portugal	9	0.8%
14	Taiwan	5	0.5%
15	Ukraine	4	0.4%
16	France	4	0.4%
17	Cameroon	4	0.4%
18	Hong Kong	4	0.4%
19	Ireland	3	0.3%
20	Bangladesh	3	0.3%
21	Argentina	3	0.3%
22	United Kingdom	3	0.3%
23	Mongolia	2	0.2%
24	Romania	2	0.2%
25	Spain	2	0.2%
26	Finland	2	0.2%
27	Indonesia	2	0.2%
28	Iran, Islamic Republic of	2	0.2%
29	Israel	1	0.1%
30	Italy	1	0.1%
31	Luxembourg	1	0.1%
32	Norway	1	0.1%
33	Oman	1	0.1%
34	Thailand	1	0.1%
35	Turkey	1	0.1%
36	Viet Nam	1	0.1%