Rank	Countries/Territories	Count	Percent
1	United States	234	50.1%
2	China	116	24.8%
3	Germany	40	8.6%
4	Canada	12	2.6%
5	Korea, Republic of	8	1.7%
6	France	7	1.5%
7	Spain	6	1.3%
8	Japan	5	1.1%
9	Thailand	5	1.1%
10	Russia	4	0.9%
11	Greece	4	0.9%
12	India	3	0.6%
13	Australia	3	0.6%
14	Cyprus	3	0.6%
15	Switzerland	2	0.4%
16	Syrian Arab Republic	2	0.4%
17	Malaysia	2	0.4%
18	Mexico	2	0.4%
19	Netherlands	2	0.4%
20	Poland	2	0.4%
21	Ukraine	2	0.4%
22	Saudi Arabia	1	0.2%
23	Viet Nam	1	0.2%
24	Taiwan	1	0.2%