Rank	Countries/Territories	Count	Percent
1	United States	417	37.6%
2	China	288	25.9%
3	Germany	165	14.9%
4	France	59	5.3%
5	Singapore	51	4.6%
6	Canada	33	3%
7	Japan	26	2.3%
8	Korea, Republic of	20	1.8%
9	Netherlands	11	1%
10	Iran, Islamic Republic of	4	0.4%
11	Hong Kong	4	0.4%
12	Cyprus	4	0.4%
13	Bulgaria	3	0.3%
14	Latvia	3	0.3%
15	Mongolia	3	0.3%
16	Poland	3	0.3%
17	Ukraine	3	0.3%
18	Switzerland	2	0.2%
19	Argentina	2	0.2%
20	Austria	2	0.2%
21	Bangladesh	2	0.2%
22	Hungary	2	0.2%
23	Ireland	1	0.1%
24	Norway	1	0.1%
25	United Kingdom	1	0.1%