Rank	Countries/Territories	Count	Percent
1	United States	563	39.2%
2	China	535	37.3%
3	Germany	95	6.6%
4	Canada	54	3.8%
5	France	29	2%
6		22	1.5%
7	Japan	21	1.5%
8	Netherlands	14	1%
9	Australia	13	0.9%
10	Hong Kong	9	0.6%
11	Portugal	8	0.6%
12	Singapore	8	0.6%
13	Cyprus	7	0.5%
14	Korea, Republic of	6	0.4%
15	Lithuania	5	0.3%
16	Sweden	5	0.3%
17	Austria	4	0.3%
18	Iran, Islamic Republic of	4	0.3%
19	India	3	0.2%
20	United Kingdom	3	0.2%
21	Romania	3	0.2%
22	Macao	3	0.2%
23	Russia	2	0.1%
24	Spain	2	0.1%
25	Mongolia	2	0.1%
26	Taiwan	2	0.1%
27	Ukraine	2	0.1%
28	Malaysia	1	0.1%
29	Mexico	1	0.1%
30	Norway	1	0.1%
31	Philippines	1	0.1%
32	Poland	1	0.1%
33	Ireland	1	0.1%
34	Georgia	1	0.1%
35	Ghana	1	0.1%
36	Bulgaria	1	0.1%
37	Argentina	1	0.1%
38	Cote D'ivoire	1	0.1%