Rank	Countries/Territories	Count	Percent
1	United States	545	44.3%
2	China	346	28.2%
3	Germany	99	8.1%
4	Korea, Republic of	36	2.9%
5		34	2.8%
6	Canada	28	2.3%
7	Czech Republic	27	2.2%
8	France	27	2.2%
9	Japan	25	2%
10	Norway	12	1%
11	Netherlands	11	0.9%
12	Singapore	8	0.7%
13	Cyprus	6	0.5%
14	Switzerland	4	0.3%
15	Malaysia	3	0.2%
16	India	3	0.2%
17	Iraq	2	0.2%
18	Hong Kong	2	0.2%
19	Brazil	2	0.2%
20	Taiwan	2	0.2%
21	Ukraine	2	0.2%
22	Russia	1	0.1%
23	Australia	1	0.1%
24	Austria	1	0.1%
25	Ireland	1	0.1%
26	Latvia	1	0.1%