Rank	Countries/Territories	Count	Percent
1	United States	472	39.9%
2	China	445	37.6%
3	Germany	65	5.5%
4	Canada	52	4.4%
5	France	28	2.4%
6	Japan	17	1.4%
7	Netherlands	12	1%
8	Australia	10	0.8%
9	Hong Kong	9	0.8%
10	Portugal	8	0.7%
11	Singapore	7	0.6%
12	Korea, Republic of	6	0.5%
13	Lithuania	5	0.4%
14	Cyprus	5	0.4%
15	Sweden	5	0.4%
16	Iran, Islamic Republic of	4	0.3%
17	Austria	4	0.3%
18	Macao	3	0.3%
19	India	3	0.3%
20	Romania	3	0.3%
21	United Kingdom	3	0.3%
22	Russia	2	0.2%
23	Taiwan	2	0.2%
24	Ukraine	2	0.2%
25	Ireland	1	0.1%
26	Norway	1	0.1%
27	Poland	1	0.1%
28	Ghana	1	0.1%
29	Malaysia	1	0.1%
30	Mexico	1	0.1%
31	Mongolia	1	0.1%
32	Bulgaria	1	0.1%
33	Argentina	1	0.1%
34	Georgia	1	0.1%