Rank	Countries/Territories	Count	Percent
1	United States	678	32.2%
2	China	642	30.5%
3	Canada	183	8.7%
4	Japan	87	4.1%
5	Germany	79	3.7%
6	Netherlands	68	3.2%
7	Bulgaria	60	2.8%
8	Latvia	36	1.7%
9	France	28	1.3%
10	Poland	23	1.1%
11	Singapore	19	0.9%
12	Taiwan	16	0.8%
13	South Africa	15	0.7%
14	United Kingdom	13	0.6%
15	Russia	12	0.6%
16	Nigeria	12	0.6%
17	Romania	10	0.5%
18	Mauritius	10	0.5%
19	Hong Kong	10	0.5%
20	Viet Nam	10	0.5%
21	Thailand	10	0.5%
22	Turkey	8	0.4%
23	Ukraine	8	0.4%
24	Portugal	8	0.4%
25	New Zealand	7	0.3%
26	Cyprus	7	0.3%
27	Czech Republic	7	0.3%
28	Lithuania	5	0.2%
29	Malaysia	4	0.2%
30	Korea, Republic of	4	0.2%
31	Switzerland	4	0.2%
32	Bangladesh	4	0.2%
33	Australia	3	0.1%
34	Ireland	3	0.1%
35	Philippines	3	0.1%
36	Kazakhstan	3	0.1%
37	Jordan	2	0.1%
38	Cote D'ivoire	2	0.1%
39	India	1	0%
40	Egypt	1	0%
41	Finland	1	0%
42	Mexico	1	0%