Rank	Countries/Territories	Count	Percent
1	United States	389	40.9%
2	China	352	37%
3	Germany	105	11%
4	Russia	13	1.4%
5	Taiwan	12	1.3%
6	Japan	10	1.1%
7	Australia	9	0.9%
8	Netherlands	9	0.9%
9	France	8	0.8%
10	India	7	0.7%
11	Ireland	5	0.5%
12	Korea, Republic of	5	0.5%
13	Canada	3	0.3%
14	Hong Kong	3	0.3%
15	Cyprus	3	0.3%
16	Singapore	3	0.3%
17	Philippines	2	0.2%
18	Finland	2	0.2%
19	Argentina	2	0.2%
20	Bangladesh	2	0.2%
21	Malaysia	2	0.2%
22	Iran, Islamic Republic of	2	0.2%
23	Mongolia	1	0.1%
24	United Kingdom	1	0.1%
25	Norway	1	0.1%