Rank	Countries/Territories	Count	Percent
1	United States	450	45.6%
2	China	227	23%
3	Germany	112	11.3%
4	Australia	34	3.4%
5	Singapore	24	2.4%
6	Czech Republic	21	2.1%
7	Sweden	15	1.5%
8	Japan	14	1.4%
9	Greece	13	1.3%
10	France	12	1.2%
11	Switzerland	12	1.2%
12	India	10	1%
13	Netherlands	10	1%
14	Ireland	8	0.8%
15	Cyprus	6	0.6%
16	United Kingdom	5	0.5%
17	Hungary	3	0.3%
18	Mongolia	2	0.2%
19	Korea, Republic of	2	0.2%
20	Canada	2	0.2%
21	Hong Kong	1	0.1%
22	Denmark	1	0.1%
23	Malaysia	1	0.1%
24	Italy	1	0.1%
25	Ukraine	1	0.1%