Rank	Countries/Territories	Count	Percent
1	United States	277	50.3%
2	China	117	21.2%
3	Germany	60	10.9%
4	France	16	2.9%
5	Japan	13	2.4%
6	India	12	2.2%
7	Switzerland	9	1.6%
8	Canada	6	1.1%
9	Cyprus	5	0.9%
10	Korea, Republic of	5	0.9%
11	Ukraine	5	0.9%
12	Mexico	3	0.5%
13	Netherlands	3	0.5%
14	Singapore	3	0.5%
15	Slovakia	3	0.5%
16	Australia	3	0.5%
17	Spain	2	0.4%
18	Russia	2	0.4%
19	Malaysia	2	0.4%
20	United Kingdom	2	0.4%
21	Thailand	1	0.2%
22	Argentina	1	0.2%
23	Ireland	1	0.2%