Rank	Countries/Territories	Count	Percent
1	United States	354	46.2%
2	China	175	22.8%
3	Germany	56	7.3%
4	France	48	6.3%
5	Netherlands	22	2.9%
6	United Kingdom	20	2.6%
7	Japan	17	2.2%
8	Singapore	11	1.4%
9	Nigeria	9	1.2%
10	Poland	7	0.9%
11	India	6	0.8%
12	Australia	6	0.8%
13	Bulgaria	6	0.8%
14	Colombia	3	0.4%
15	Philippines	3	0.4%
16	Malaysia	3	0.4%
17	Hong Kong	2	0.3%
18	Indonesia	2	0.3%
19	Iran, Islamic Republic of	2	0.3%
20	Italy	2	0.3%
21	Kenya	2	0.3%
22	Korea, Republic of	2	0.3%
23	Latvia	2	0.3%
24	Cyprus	1	0.1%
25	Canada	1	0.1%
26	Belgium	1	0.1%
27	Romania	1	0.1%
28	Spain	1	0.1%
29	Turkey	1	0.1%
30	Viet Nam	1	0.1%