Rank	Countries/Territories	Count	Percent
1	United States	383	43.8%
2	China	175	20%
3	Germany	82	9.4%
4	Canada	81	9.3%
5	France	19	2.2%
6	Australia	12	1.4%
7	Switzerland	10	1.1%
8	Singapore	10	1.1%
9	Netherlands	8	0.9%
10	Korea, Republic of	7	0.8%
11	Romania	7	0.8%
12	India	7	0.8%
13	Hong Kong	6	0.7%
14	Slovakia	6	0.7%
15	Cyprus	5	0.6%
16	Turkey	5	0.6%
17	Ukraine	5	0.6%
18	Oman	4	0.5%
19	Viet Nam	4	0.5%
20	Poland	3	0.3%
21	United Kingdom	3	0.3%
22	Japan	3	0.3%
23	Czech Republic	3	0.3%
24	Argentina	3	0.3%
25	Ireland	3	0.3%
26	Iran, Islamic Republic of	2	0.2%
27	Bulgaria	2	0.2%
28	Denmark	2	0.2%
29	Norway	2	0.2%
30	Latvia	2	0.2%
31	Malaysia	2	0.2%
32	Russia	2	0.2%
33	Mongolia	1	0.1%
34	Nepal	1	0.1%
35	Jordan	1	0.1%
36	Bangladesh	1	0.1%
37	Belgium	1	0.1%
38	Israel	1	0.1%