Rank	Countries/Territories	Count	Percent
1	United States	280	38.5%
2	China	258	35.4%
3	Germany	52	7.1%
4	Canada	18	2.5%
5	Japan	17	2.3%
6	Ukraine	17	2.3%
7	Netherlands	14	1.9%
8	Singapore	12	1.6%
9	Cyprus	10	1.4%
10	France	10	1.4%
11	India	8	1.1%
12	Taiwan	7	1%
13	Korea, Republic of	7	1%
14	Hong Kong	6	0.8%
15	United Kingdom	3	0.4%
16	Poland	2	0.3%
17	Luxembourg	2	0.3%
18	Argentina	2	0.3%
19	Russia	1	0.1%
20	Spain	1	0.1%
21	Sweden	1	0.1%