Rank	Countries/Territories	Count	Percent
1	United States	487	50.4%
2	China	237	24.5%
3	Germany	70	7.2%
4	France	32	3.3%
5	Mongolia	23	2.4%
6	Japan	18	1.9%
7	Hong Kong	15	1.6%
8	Canada	13	1.3%
9	Netherlands	11	1.1%
10		9	0.9%
11	Singapore	9	0.9%
12	Australia	7	0.7%
13	Malaysia	4	0.4%
14	Ukraine	4	0.4%
15	Sweden	3	0.3%
16	Latvia	3	0.3%
17	Cyprus	3	0.3%
18	Norway	3	0.3%
19	India	3	0.3%
20	Bangladesh	2	0.2%
21	Belarus	2	0.2%
22	Argentina	2	0.2%
23	Switzerland	2	0.2%
24	Indonesia	1	0.1%
25	Iran, Islamic Republic of	1	0.1%
26	Ireland	1	0.1%
27	Italy	1	0.1%
28	Poland	1	0.1%