Rank	Countries/Territories	Count	Percent
1	United States	444	44.3%
2	China	249	24.8%
3	Germany	99	9.9%
4	Bulgaria	44	4.4%
5	France	29	2.9%
6	Mexico	20	2%
7	Canada	19	1.9%
8	Netherlands	18	1.8%
9	Singapore	10	1%
10	United Kingdom	8	0.8%
11	Japan	7	0.7%
12	Korea, Republic of	6	0.6%
13	Bangladesh	6	0.6%
14	Russia	6	0.6%
15	Poland	5	0.5%
16	Cyprus	4	0.4%
17	Latvia	3	0.3%
18	Austria	3	0.3%
19	Sweden	3	0.3%
20	Ukraine	3	0.3%
21	Spain	2	0.2%
22	Nigeria	2	0.2%
23	Moldova, Republic of	2	0.2%
24	Hong Kong	2	0.2%
25	Malaysia	2	0.2%
26	Brazil	2	0.2%
27	Argentina	2	0.2%
28	Australia	2	0.2%
29	Romania	1	0.1%