Rank	Countries/Territories	Count	Percent
1	United States	217	38.7%
2	China	108	19.3%
3	Germany	90	16%
4	Canada	29	5.2%
5	Netherlands	24	4.3%
6	Korea, Republic of	13	2.3%
7	Bulgaria	9	1.6%
8	Australia	8	1.4%
9	Turkey	7	1.2%
10	Japan	7	1.2%
11	Singapore	6	1.1%
12	India	6	1.1%
13	Mauritius	6	1.1%
14	France	4	0.7%
15	Cyprus	4	0.7%
16	Bangladesh	3	0.5%
17	Portugal	3	0.5%
18	Ukraine	3	0.5%
19	United Kingdom	2	0.4%
20	Cambodia	2	0.4%
21	Morocco	2	0.4%
22	Ireland	2	0.4%
23	Lithuania	1	0.2%
24	Poland	1	0.2%
25	Czech Republic	1	0.2%
26	Viet Nam	1	0.2%
27	Sweden	1	0.2%
28	Switzerland	1	0.2%