Rank	Countries/Territories	Count	Percent
1	United States	388	41.9%
2	China	336	36.3%
3	Germany	67	7.2%
4	Japan	23	2.5%
5	Russia	17	1.8%
6		13	1.4%
7	Canada	10	1.1%
8	Switzerland	9	1%
9	Ukraine	9	1%
10	Singapore	8	0.9%
11	France	8	0.9%
12	Australia	6	0.6%
13	Netherlands	6	0.6%
14	United Kingdom	4	0.4%
15	Cyprus	4	0.4%
16	Hong Kong	4	0.4%
17	Spain	3	0.3%
18	India	2	0.2%
19	Greece	2	0.2%
20	Czech Republic	2	0.2%
21	Argentina	2	0.2%
22	Bangladesh	1	0.1%
23	Finland	1	0.1%
24	Latvia	1	0.1%