Rank	Countries/Territories	Count	Percent
1	United States	438	35.7%
2	China	386	31.5%
3	Germany	107	8.7%
4	Mongolia	51	4.2%
5	Russia	31	2.5%
6	Ukraine	25	2%
7	Japan	22	1.8%
8	France	20	1.6%
9	Netherlands	14	1.1%
10	United Kingdom	14	1.1%
11	Canada	14	1.1%
12	Taiwan	13	1.1%
13	Australia	12	1%
14	Thailand	11	0.9%
15	Korea, Republic of	8	0.7%
16	Hong Kong	7	0.6%
17	Singapore	6	0.5%
18	Cyprus	5	0.4%
19	Argentina	4	0.3%
20	India	4	0.3%
21	Greece	4	0.3%
22	Ireland	3	0.2%
23	Nigeria	3	0.2%
24	Latvia	2	0.2%
25	Malaysia	2	0.2%
26	Mexico	2	0.2%
27	Turkey	2	0.2%
28	Viet Nam	2	0.2%
29	Virgin Islands, British	2	0.2%
30	Italy	2	0.2%
31	Iran, Islamic Republic of	2	0.2%
32	Iraq	2	0.2%
33	Finland	2	0.2%
34	Egypt	1	0.1%
35	Brazil	1	0.1%
36	Chile	1	0.1%
37	Norway	1	0.1%
38	Romania	1	0.1%