Rank	Countries/Territories	Count	Percent
1	United States	214	43.4%
2	China	158	32%
3	Bulgaria	29	5.9%
4	Germany	12	2.4%
5	Latvia	11	2.2%
6	Singapore	10	2%
7	Netherlands	8	1.6%
8	Colombia	6	1.2%
9	France	6	1.2%
10	Australia	6	1.2%
11	Hong Kong	5	1%
12	Japan	5	1%
13	Ireland	3	0.6%
14	South Africa	3	0.6%
15	Canada	3	0.6%
16	Poland	3	0.6%
17	Romania	2	0.4%
18	Viet Nam	2	0.4%
19	Brazil	2	0.4%
20	Lithuania	2	0.4%
21	Taiwan	1	0.2%
22	Ukraine	1	0.2%
23	Hungary	1	0.2%