Rank	Countries/Territories	Count	Percent
1	China	291	61.3%
2	United States	80	16.8%
3	Japan	17	3.6%
4	Belgium	14	2.9%
5	Germany	12	2.5%
6	Korea, Republic of	12	2.5%
7	Singapore	11	2.3%
8	Australia	6	1.3%
9	Netherlands	4	0.8%
10	United Kingdom	4	0.8%
11	Ukraine	3	0.6%
12	India	3	0.6%
13	Iran, Islamic Republic of	2	0.4%
14	Ireland	2	0.4%
15	Russia	2	0.4%
16	Latvia	2	0.4%
17	Mongolia	2	0.4%
18	Hong Kong	2	0.4%
19	France	2	0.4%
20	Taiwan	2	0.4%
21	Argentina	1	0.2%
22	Bulgaria	1	0.2%