Rank	Countries/Territories	Count	Percent
1	United States	355	45.5%
2	China	223	28.6%
3	Germany	79	10.1%
4	Canada	35	4.5%
5	France	19	2.4%
6	Japan	15	1.9%
7	Netherlands	10	1.3%
8	Australia	10	1.3%
9	Singapore	8	1%
10	Ukraine	7	0.9%
11	Norway	3	0.4%
12	Korea, Republic of	3	0.4%
13	India	3	0.4%
14	Ireland	2	0.3%
15	Cyprus	2	0.3%
16	Brazil	2	0.3%
17	Nigeria	2	0.3%
18	Malaysia	1	0.1%
19	Argentina	1	0.1%