Rank	Countries/Territories	Count	Percent
1	China	468	39.2%
2	United States	442	37%
3	Germany	110	9.2%
4	France	43	3.6%
5	Canada	18	1.5%
6	Netherlands	15	1.3%
7	Singapore	13	1.1%
8	Japan	10	0.8%
9	Russia	9	0.8%
10	Cyprus	7	0.6%
11	Argentina	7	0.6%
12	Australia	6	0.5%
13	Hong Kong	5	0.4%
14	Iraq	5	0.4%
15	Mongolia	5	0.4%
16	Korea, Republic of	4	0.3%
17	Switzerland	4	0.3%
18	Taiwan	2	0.2%
19	United Kingdom	2	0.2%
20	Sweden	2	0.2%
21	Norway	2	0.2%
22	Malaysia	2	0.2%
23	India	2	0.2%
24	Iran, Islamic Republic of	2	0.2%
25	Bangladesh	2	0.2%
26	Czech Republic	2	0.2%
27	Mexico	1	0.1%
28	Latvia	1	0.1%
29	Romania	1	0.1%
30	Thailand	1	0.1%