Rank	Countries/Territories	Count	Percent
1	United States	433	53.3%
2	China	139	17.1%
3	Germany	102	12.5%
4	France	37	4.6%
5	Japan	23	2.8%
6	Netherlands	10	1.2%
7	Canada	10	1.2%
8	Ukraine	10	1.2%
9	Australia	8	1%
10	Iran, Islamic Republic of	7	0.9%
11	Italy	7	0.9%
12	Singapore	6	0.7%
13	Cyprus	4	0.5%
14	Greece	2	0.2%
15	India	2	0.2%
16	Korea, Republic of	2	0.2%
17	Malaysia	2	0.2%
18	Norway	2	0.2%
19	Poland	1	0.1%
20	Sri Lanka	1	0.1%
21	Switzerland	1	0.1%
22	Mongolia	1	0.1%
23	New Zealand	1	0.1%
24	Ireland	1	0.1%
25	Finland	1	0.1%