Rank	Countries/Territories	Count	Percent
1	United States	334	33.8%
2	China	304	30.8%
3	Germany	124	12.6%
4	India	30	3%
5	Mongolia	25	2.5%
6	France	14	1.4%
7	Ukraine	14	1.4%
8	Japan	13	1.3%
9	United Kingdom	12	1.2%
10	Korea, Republic of	10	1%
11	Malaysia	10	1%
12	Netherlands	9	0.9%
13	Spain	8	0.8%
14	Indonesia	7	0.7%
15	Australia	7	0.7%
16	Singapore	6	0.6%
17	Norway	6	0.6%
18	Iran, Islamic Republic of	5	0.5%
19	Ireland	5	0.5%
20	Greece	5	0.5%
21	Canada	4	0.4%
22	Latvia	4	0.4%
23	Slovakia	4	0.4%
24	Malta	3	0.3%
25	Philippines	3	0.3%
26	Poland	3	0.3%
27	Czech Republic	3	0.3%
28	Finland	2	0.2%
29	Russia	2	0.2%
30	Switzerland	2	0.2%
31	Taiwan	2	0.2%
32	Sweden	1	0.1%
33	New Zealand	1	0.1%
34	Ethiopia	1	0.1%
35	Cyprus	1	0.1%
36	Argentina	1	0.1%
37	Bangladesh	1	0.1%
38	Belgium	1	0.1%