Rank	Countries/Territories	Count	Percent
1	China	166	37.6%
2	United States	157	35.5%
3	Germany	28	6.3%
4	Netherlands	27	6.1%
5	Russia	12	2.7%
6	Japan	10	2.3%
7	Poland	6	1.4%
8	Iran, Islamic Republic of	6	1.4%
9	Denmark	5	1.1%
10	Canada	5	1.1%
11	Singapore	3	0.7%
12	India	2	0.5%
13	Bulgaria	2	0.5%
14	Australia	2	0.5%
15	France	2	0.5%
16	Cyprus	2	0.5%
17	Malaysia	2	0.5%
18	Ireland	1	0.2%
19	Italy	1	0.2%
20	Hong Kong	1	0.2%
21	Bangladesh	1	0.2%
22	Spain	1	0.2%