Rank	Countries/Territories	Count	Percent
1	United States	396	49.6%
2	China	184	23%
3	Germany	92	11.5%
4	Japan	25	3.1%
5	Czech Republic	23	2.9%
6	Ukraine	13	1.6%
7	India	10	1.3%
8	France	5	0.6%
9	Cyprus	5	0.6%
10	Singapore	5	0.6%
11	Italy	4	0.5%
12		4	0.5%
13	Canada	4	0.5%
14	Hong Kong	3	0.4%
15	Belgium	3	0.4%
16	Netherlands	3	0.4%
17	Malaysia	3	0.4%
18	Mexico	2	0.3%
19	United Kingdom	2	0.3%
20	Austria	2	0.3%
21	Algeria	2	0.3%
22	Greece	2	0.3%
23	Indonesia	1	0.1%
24	Argentina	1	0.1%
25	Australia	1	0.1%
26	Mongolia	1	0.1%
27	Norway	1	0.1%
28	Russia	1	0.1%
29	Spain	1	0.1%