Rank	Countries/Territories	Count	Percent
1	United States	339	43.3%
2	China	279	35.6%
3	Germany	56	7.2%
4	Netherlands	23	2.9%
5	India	14	1.8%
6	Canada	12	1.5%
7	Singapore	10	1.3%
8	Russia	10	1.3%
9	United Kingdom	9	1.1%
10	Thailand	8	1%
11	Iran, Islamic Republic of	5	0.6%
12	Ireland	3	0.4%
13	Australia	3	0.4%
14	Spain	3	0.4%
15	Saudi Arabia	2	0.3%
16	Egypt	2	0.3%
17	Japan	2	0.3%
18	Bangladesh	1	0.1%
19	Cyprus	1	0.1%
20	France	1	0.1%