Rank	Countries/Territories	Count	Percent
1	United States	355	45.2%
2	China	229	29.1%
3	Germany	101	12.8%
4	Japan	13	1.7%
5	Brazil	12	1.5%
6	France	12	1.5%
7	Korea, Republic of	8	1%
8	Netherlands	7	0.9%
9	United Kingdom	7	0.9%
10	Iran, Islamic Republic of	5	0.6%
11	Finland	4	0.5%
12	Russia	4	0.5%
13	Italy	3	0.4%
14	Canada	3	0.4%
15	Cyprus	3	0.4%
16	Argentina	3	0.4%
17	Hong Kong	3	0.4%
18	Ireland	2	0.3%
19	Nigeria	2	0.3%
20	Peru	2	0.3%
21	Australia	2	0.3%
22	Bulgaria	2	0.3%
23	Slovakia	2	0.3%
24	Singapore	1	0.1%
25	India	1	0.1%