Rank	Countries/Territories	Count	Percent
1	United States	492	38.5%
2	China	339	26.5%
3	Germany	141	11%
4	Brazil	59	4.6%
5	India	38	3%
6	Netherlands	33	2.6%
7	France	28	2.2%
8	Japan	26	2%
9	Russia	22	1.7%
10	Turkey	14	1.1%
11	Taiwan	8	0.6%
12	Senegal	7	0.5%
13	Singapore	7	0.5%
14	Indonesia	7	0.5%
15	Canada	7	0.5%
16	Hong Kong	6	0.5%
17	United Kingdom	6	0.5%
18	Thailand	4	0.3%
19	Cyprus	4	0.3%
20	Argentina	4	0.3%
21	Ireland	4	0.3%
22	Iran, Islamic Republic of	3	0.2%
23	Latvia	3	0.2%
24	Denmark	3	0.2%
25	Ukraine	3	0.2%
26	Viet Nam	2	0.2%
27	Sweden	2	0.2%
28	Italy	2	0.2%
29	Malaysia	1	0.1%
30	Korea, Republic of	1	0.1%
31	Australia	1	0.1%
32	Bangladesh	1	0.1%
33	Romania	1	0.1%