Rank	Countries/Territories	Count	Percent
1	United States	406	45.5%
2	China	238	26.7%
3	Germany	79	8.8%
4	Japan	34	3.8%
5	Mongolia	22	2.5%
6	France	19	2.1%
7	Canada	14	1.6%
8	Norway	14	1.6%
9	Singapore	11	1.2%
10	Sweden	11	1.2%
11	Netherlands	9	1%
12	Russia	6	0.7%
13	Cyprus	6	0.7%
14	Argentina	4	0.4%
15	Taiwan	4	0.4%
16	South Africa	3	0.3%
17	Australia	3	0.3%
18	Belgium	2	0.2%
19	Ukraine	2	0.2%
20	United Kingdom	2	0.2%
21	Hong Kong	1	0.1%
22	India	1	0.1%
23	Indonesia	1	0.1%
24	Malaysia	1	0.1%