Rank	Countries/Territories	Count	Percent
1	United States	384	38.5%
2	China	334	33.5%
3	Germany	44	4.4%
4	Brazil	35	3.5%
5	Japan	32	3.2%
6	Netherlands	29	2.9%
7	Singapore	20	2%
8	India	18	1.8%
9	Russia	13	1.3%
10	Australia	12	1.2%
11	Canada	10	1%
12	Portugal	9	0.9%
13	Korea, Republic of	7	0.7%
14	Taiwan	5	0.5%
15	Ukraine	4	0.4%
16	France	4	0.4%
17	Hong Kong	4	0.4%
18	Cameroon	4	0.4%
19	Argentina	3	0.3%
20	Ireland	3	0.3%
21	United Kingdom	3	0.3%
22	Mongolia	2	0.2%
23	Romania	2	0.2%
24	Indonesia	2	0.2%
25	Iran, Islamic Republic of	2	0.2%
26	Finland	2	0.2%
27	Bangladesh	1	0.1%
28	Israel	1	0.1%
29	Italy	1	0.1%
30	Luxembourg	1	0.1%
31	Spain	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%