Rank	Countries/Territories	Count	Percent
1	United States	421	35.1%
2	China	257	21.4%
3	Germany	134	11.2%
4	India	107	8.9%
5	Mongolia	66	5.5%
6	Ireland	26	2.2%
7	Australia	19	1.6%
8	Japan	18	1.5%
9	Singapore	15	1.3%
10	Norway	13	1.1%
11	United Kingdom	12	1%
12	Indonesia	11	0.9%
13	Canada	10	0.8%
14	Spain	10	0.8%
15	Netherlands	10	0.8%
16	Jordan	7	0.6%
17	Argentina	7	0.6%
18	Hong Kong	7	0.6%
19	Iran, Islamic Republic of	5	0.4%
20	Austria	5	0.4%
21	France	4	0.3%
22	Ukraine	4	0.3%
23	Brazil	3	0.3%
24	Ethiopia	3	0.3%
25	Cambodia	2	0.2%
26	Cyprus	2	0.2%
27	Denmark	2	0.2%
28	Korea, Republic of	2	0.2%
29	Lithuania	2	0.2%
30	Trinidad and Tobago	2	0.2%
31	Turkey	2	0.2%
32	Tanzania, United Republic of	1	0.1%
33	Palestine, State of	1	0.1%
34	Poland	1	0.1%
35	Portugal	1	0.1%
36	Russia	1	0.1%
37	Malaysia	1	0.1%
38	Latvia	1	0.1%
39	Egypt	1	0.1%
40	Estonia	1	0.1%
41	Belgium	1	0.1%
42	Chile	1	0.1%