Rank	Countries/Territories	Count	Percent
1	United States	537	45.4%
2	China	269	22.8%
3	Germany	78	6.6%
4	Australia	56	4.7%
5	Netherlands	31	2.6%
6	France	26	2.2%
7	Mongolia	20	1.7%
8	Canada	19	1.6%
9	Singapore	15	1.3%
10	Norway	10	0.8%
11	Japan	10	0.8%
12	Cyprus	10	0.8%
13	Russia	8	0.7%
14	Bulgaria	7	0.6%
15	Hong Kong	7	0.6%
16	India	6	0.5%
17	Latvia	6	0.5%
18	Portugal	6	0.5%
19	United Kingdom	6	0.5%
20	Ireland	5	0.4%
21	Korea, Republic of	4	0.3%
22	Iran, Islamic Republic of	4	0.3%
23	Taiwan	4	0.3%
24	Thailand	4	0.3%
25	Turkey	4	0.3%
26	Argentina	3	0.3%
27	Bangladesh	3	0.3%
28	South Africa	3	0.3%
29	Philippines	2	0.2%
30	Italy	2	0.2%
31	Lithuania	2	0.2%
32	Mauritius	2	0.2%
33	Greece	2	0.2%
34	Belgium	1	0.1%
35	Brazil	1	0.1%
36	Czech Republic	1	0.1%
37	Egypt	1	0.1%
38	Finland	1	0.1%
39	Mexico	1	0.1%
40	Malaysia	1	0.1%
41	Nigeria	1	0.1%
42	Sweden	1	0.1%
43	Ukraine	1	0.1%
44	Viet Nam	1	0.1%