Rank	Countries/Territories	Count	Percent
1	China	187	47.3%
2	United States	109	27.6%
3	Singapore	14	3.5%
4	Germany	11	2.8%
5	Poland	10	2.5%
6	Canada	8	2%
7		8	2%
8	Korea, Republic of	7	1.8%
9	Japan	6	1.5%
10	Hungary	6	1.5%
11	India	4	1%
12	Netherlands	4	1%
13	Nigeria	3	0.8%
14	United Kingdom	3	0.8%
15	Portugal	2	0.5%
16	Mongolia	2	0.5%
17	Iran, Islamic Republic of	2	0.5%
18	Argentina	2	0.5%
19	Bulgaria	2	0.5%
20	Hong Kong	2	0.5%
21	Iraq	1	0.3%
22	Romania	1	0.3%
23	Norway	1	0.3%