Rank	Countries/Territories	Count	Percent
1	United States	651	45.7%
2	China	315	22.1%
3	Germany	159	11.2%
4	France	78	5.5%
5	Mongolia	75	5.3%
6	Canada	47	3.3%
7	Singapore	12	0.8%
8	Netherlands	10	0.7%
9	Japan	7	0.5%
10	Korea, Republic of	6	0.4%
11	Norway	6	0.4%
12	Brazil	6	0.4%
13	Ukraine	6	0.4%
14	United Kingdom	6	0.4%
15	Australia	5	0.4%
16	Cyprus	5	0.4%
17	Poland	4	0.3%
18	Hong Kong	4	0.3%
19	Philippines	3	0.2%
20	Argentina	3	0.2%
21	Egypt	2	0.1%
22	Greece	2	0.1%
23	Lebanon	2	0.1%
24	Malaysia	2	0.1%
25	India	2	0.1%
26	Iran, Islamic Republic of	2	0.1%
27	Spain	2	0.1%
28	Switzerland	2	0.1%
29	Thailand	1	0.1%
30	Peru	1	0.1%