Rank	Countries/Territories	Count	Percent
1	United States	270	45.1%
2	China	193	32.2%
3	Germany	66	11%
4	Canada	13	2.2%
5	Cyprus	8	1.3%
6	Norway	8	1.3%
7	France	6	1%
8	India	6	1%
9	Netherlands	5	0.8%
10	Iran, Islamic Republic of	3	0.5%
11	Australia	3	0.5%
12	Argentina	2	0.3%
13	Iraq	2	0.3%
14	Israel	2	0.3%
15	Romania	2	0.3%
16	Ukraine	2	0.3%
17	United Kingdom	2	0.3%
18	Singapore	1	0.2%
19	Switzerland	1	0.2%
20	Peru	1	0.2%
21	Japan	1	0.2%
22	Malaysia	1	0.2%
23	Colombia	1	0.2%