Rank	Countries/Territories	Count	Percent
1	United States	162	40.6%
2	China	112	28.1%
3	Germany	61	15.3%
4	France	12	3%
5	Netherlands	6	1.5%
6	Japan	6	1.5%
7	Hong Kong	6	1.5%
8	Korea, Republic of	4	1%
9	Greece	3	0.8%
10	Hungary	3	0.8%
11	India	3	0.8%
12	United Kingdom	3	0.8%
13	Viet Nam	2	0.5%
14	Iran, Islamic Republic of	2	0.5%
15	Cyprus	2	0.5%
16	Egypt	2	0.5%
17	Brazil	2	0.5%
18	Canada	2	0.5%
19	Singapore	2	0.5%
20	Malaysia	2	0.5%
21	Mongolia	1	0.3%
22	Thailand	1	0.3%