Rank	Countries/Territories	Count	Percent
1	United States	262	50.5%
2	China	105	20.2%
3	Germany	61	11.8%
4	Czech Republic	18	3.5%
5	Japan	17	3.3%
6	India	7	1.3%
7	France	5	1%
8	Cyprus	5	1%
9		4	0.8%
10	Singapore	4	0.8%
11	Italy	4	0.8%
12	Hong Kong	3	0.6%
13	Netherlands	3	0.6%
14	Belgium	3	0.6%
15	Malaysia	3	0.6%
16	Mexico	2	0.4%
17	Greece	2	0.4%
18	Canada	2	0.4%
19	Algeria	2	0.4%
20	Austria	2	0.4%
21	Indonesia	1	0.2%
22	Mongolia	1	0.2%
23	Norway	1	0.2%
24	Russia	1	0.2%
25	Spain	1	0.2%