Rank	Countries/Territories	Count	Percent
1	United States	370	42.3%
2	China	217	24.8%
3	Germany	105	12%
4	Australia	46	5.3%
5	Switzerland	16	1.8%
6	Korea, Republic of	14	1.6%
7	Ukraine	13	1.5%
8	Ireland	12	1.4%
9	Japan	10	1.1%
10	Czech Republic	9	1%
11	Singapore	9	1%
12	France	8	0.9%
13	Canada	7	0.8%
14	Netherlands	7	0.8%
15	Russia	5	0.6%
16	Indonesia	5	0.6%
17	India	4	0.5%
18	Cyprus	4	0.5%
19	United Kingdom	4	0.5%
20	Viet Nam	2	0.2%
21	Bulgaria	2	0.2%
22	Mongolia	2	0.2%
23	Hong Kong	1	0.1%
24	Argentina	1	0.1%
25	Taiwan	1	0.1%
26	Spain	1	0.1%