Rank	Countries/Territories	Count	Percent
1	United States	453	42.8%
2	China	357	33.7%
3	Germany	83	7.8%
4	France	56	5.3%
5	Korea, Republic of	21	2%
6	Switzerland	14	1.3%
7	Japan	12	1.1%
8	Canada	9	0.9%
9	Cyprus	8	0.8%
10	Australia	7	0.7%
11	Netherlands	7	0.7%
12	Hong Kong	6	0.6%
13	Ukraine	5	0.5%
14	United Kingdom	3	0.3%
15	India	3	0.3%
16	Jordan	2	0.2%
17	Kenya	2	0.2%
18	Norway	2	0.2%
19	Malaysia	2	0.2%
20	Argentina	2	0.2%
21	Bulgaria	2	0.2%
22	Bangladesh	1	0.1%
23	Georgia	1	0.1%