Rank	Countries/Territories	Count	Percent
1	United States	120	35.5%
2	Germany	66	19.5%
3	China	60	17.8%
4	Canada	22	6.5%
5	Netherlands	19	5.6%
6	Japan	8	2.4%
7	Korea, Republic of	5	1.5%
8	United Kingdom	5	1.5%
9	France	4	1.2%
10	Bulgaria	3	0.9%
11	Indonesia	3	0.9%
12	Ireland	3	0.9%
13	Singapore	3	0.9%
14	Spain	3	0.9%
15	Thailand	2	0.6%
16	Turkey	2	0.6%
17	Australia	2	0.6%
18	Cyprus	2	0.6%
19	Greece	2	0.6%
20	India	1	0.3%
21	Morocco	1	0.3%
22	Norway	1	0.3%
23	Poland	1	0.3%