Rank	Countries/Territories	Count	Percent
1	United States	312	51.1%
2	China	131	21.5%
3	Germany	73	12%
4	India	14	2.3%
5	Japan	12	2%
6	Korea, Republic of	11	1.8%
7	Hong Kong	11	1.8%
8	Netherlands	10	1.6%
9	Ireland	9	1.5%
10	Canada	6	1%
11	Norway	3	0.5%
12	Romania	2	0.3%
13	Mexico	2	0.3%
14	Mongolia	2	0.3%
15	Australia	2	0.3%
16	Switzerland	2	0.3%
17	Ukraine	2	0.3%
18	United Kingdom	2	0.3%
19	Thailand	1	0.2%
20	Cyprus	1	0.2%
21	France	1	0.2%
22	Singapore	1	0.2%