Rank	Countries/Territories	Count	Percent
1	China	225	51.3%
2	United States	112	25.5%
3	Singapore	18	4.1%
4	Japan	14	3.2%
5	Iran, Islamic Republic of	13	3%
6	Germany	9	2.1%
7	Korea, Republic of	8	1.8%
8	France	6	1.4%
9		6	1.4%
10	Australia	6	1.4%
11	Ireland	5	1.1%
12	Netherlands	4	0.9%
13	Russia	2	0.5%
14	Bangladesh	2	0.5%
15	Czech Republic	2	0.5%
16	Ukraine	2	0.5%
17	India	1	0.2%
18	Canada	1	0.2%
19	Argentina	1	0.2%
20	Norway	1	0.2%
21	Latvia	1	0.2%