Rank	Countries/Territories	Count	Percent
1	United States	517	43.9%
2	China	343	29.1%
3	Germany	127	10.8%
4	Korea, Republic of	54	4.6%
5	Japan	23	2%
6	Netherlands	15	1.3%
7	France	15	1.3%
8	Canada	14	1.2%
9	Ireland	12	1%
10	India	11	0.9%
11	Australia	10	0.8%
12	Hong Kong	7	0.6%
13	Cyprus	6	0.5%
14	Singapore	6	0.5%
15	Latvia	4	0.3%
16	Taiwan	3	0.3%
17	Lithuania	2	0.2%
18	Italy	2	0.2%
19	Czech Republic	2	0.2%
20	Bangladesh	2	0.2%
21	Norway	1	0.1%
22	Thailand	1	0.1%
23	Ukraine	1	0.1%