Rank	Countries/Territories	Count	Percent
1	United States	175	35.6%
2	China	112	22.8%
3	Germany	54	11%
4	Canada	33	6.7%
5	Taiwan	17	3.5%
6	Netherlands	13	2.6%
7	Japan	13	2.6%
8	United Kingdom	9	1.8%
9	Lithuania	7	1.4%
10	Poland	6	1.2%
11	France	6	1.2%
12	Ireland	5	1%
13	Singapore	4	0.8%
14	New Zealand	3	0.6%
15	Iran, Islamic Republic of	3	0.6%
16	Sweden	3	0.6%
17	Korea, Republic of	3	0.6%
18	India	3	0.6%
19	Australia	3	0.6%
20	Brazil	2	0.4%
21	Bulgaria	2	0.4%
22	Turkey	2	0.4%
23	Nigeria	2	0.4%
24	Malaysia	2	0.4%
25	Spain	1	0.2%
26	Sri Lanka	1	0.2%
27	Ukraine	1	0.2%
28	Switzerland	1	0.2%
29	Cyprus	1	0.2%
30	Czech Republic	1	0.2%
31	Ethiopia	1	0.2%
32	Indonesia	1	0.2%
33	Hong Kong	1	0.2%
34	Isle of Man	1	0.2%