Rank	Countries/Territories	Count	Percent
1	China	522	40%
2	United States	482	36.9%
3	Germany	88	6.7%
4	Korea, Republic of	27	2.1%
5	Iran, Islamic Republic of	25	1.9%
6	Netherlands	22	1.7%
7	Mongolia	18	1.4%
8	Japan	18	1.4%
9	Iraq	14	1.1%
10	India	13	1%
11	France	13	1%
12	Singapore	12	0.9%
13	Latvia	6	0.5%
14	Australia	6	0.5%
15		4	0.3%
16	Russia	4	0.3%
17	United Kingdom	4	0.3%
18	Sweden	3	0.2%
19	Argentina	3	0.2%
20	Cyprus	3	0.2%
21	Canada	3	0.2%
22	Egypt	2	0.2%
23	Bosnia and Herzegovina	2	0.2%
24	Saudi Arabia	2	0.2%
25	Pakistan	2	0.2%
26	Romania	2	0.2%
27	Malaysia	1	0.1%
28	Switzerland	1	0.1%
29	Cameroon	1	0.1%
30	Bangladesh	1	0.1%
31	Hong Kong	1	0.1%
32	Ireland	1	0.1%