Rank	Countries/Territories	Count	Percent
1	United States	404	47.1%
2	China	206	24%
3	Germany	70	8.2%
4	Canada	17	2%
5	Korea, Republic of	16	1.9%
6	Switzerland	14	1.6%
7	Singapore	13	1.5%
8	Russia	13	1.5%
9	Japan	9	1%
10	Indonesia	9	1%
11	Iran, Islamic Republic of	9	1%
12	Cyprus	9	1%
13	France	9	1%
14	Netherlands	8	0.9%
15	Australia	6	0.7%
16	Argentina	5	0.6%
17	Bangladesh	4	0.5%
18	India	4	0.5%
19	Poland	4	0.5%
20	United Kingdom	4	0.5%
21	Taiwan	3	0.3%
22	Ireland	3	0.3%
23	Hong Kong	3	0.3%
24	Belgium	2	0.2%
25	Romania	2	0.2%
26	Saudi Arabia	2	0.2%
27	New Zealand	2	0.2%
28	Philippines	2	0.2%
29	Mexico	2	0.2%
30	Mongolia	2	0.2%
31	Austria	1	0.1%
32	Malaysia	1	0.1%