Rank	Countries/Territories	Count	Percent
1	United States	273	42.7%
2	China	134	21%
3	Germany	57	8.9%
4	Bulgaria	44	6.9%
5	France	27	4.2%
6	Mexico	18	2.8%
7	Netherlands	16	2.5%
8	Singapore	8	1.3%
9	Japan	6	0.9%
10	Korea, Republic of	6	0.9%
11	Canada	6	0.9%
12	Bangladesh	6	0.9%
13	Russia	5	0.8%
14	Poland	5	0.8%
15	United Kingdom	5	0.8%
16	Sweden	3	0.5%
17	Austria	3	0.5%
18	Latvia	3	0.5%
19	Malaysia	2	0.3%
20	Moldova, Republic of	2	0.3%
21	Hong Kong	2	0.3%
22	Brazil	2	0.3%
23	Spain	2	0.3%
24	Nigeria	2	0.3%
25	Romania	1	0.2%
26	Cyprus	1	0.2%