Rank	Countries/Territories	Count	Percent
1	United States	589	31.5%
2	China	462	24.7%
3	Germany	142	7.6%
4	Japan	129	6.9%
5	Mongolia	59	3.2%
6	United Kingdom	49	2.6%
7	Netherlands	31	1.7%
8	Belgium	31	1.7%
9	France	27	1.4%
10	Australia	24	1.3%
11	Italy	23	1.2%
12	India	22	1.2%
13	Canada	20	1.1%
14	Singapore	20	1.1%
15	Pakistan	19	1%
16	Russia	18	1%
17	Denmark	17	0.9%
18	Egypt	15	0.8%
19	New Zealand	14	0.7%
20	Brazil	11	0.6%
21	Taiwan	9	0.5%
22	Romania	8	0.4%
23	Cyprus	8	0.4%
24	Korea, Republic of	8	0.4%
25	Turkey	7	0.4%
26	Philippines	6	0.3%
27	Mexico	6	0.3%
28	Moldova, Republic of	6	0.3%
29	Indonesia	6	0.3%
30	Iran, Islamic Republic of	6	0.3%
31	Argentina	6	0.3%
32	Ethiopia	5	0.3%
33	Ireland	4	0.2%
34	Hong Kong	4	0.2%
35	Morocco	4	0.2%
36	Spain	4	0.2%
37	Sweden	3	0.2%
38	Switzerland	3	0.2%
39	Poland	3	0.2%
40	Portugal	3	0.2%
41	Norway	3	0.2%
42	Greece	3	0.2%
43	Israel	3	0.2%
44	Latvia	3	0.2%
45	Lithuania	3	0.2%
46	Kenya	3	0.2%
47	Malaysia	2	0.1%
48	Costa Rica	2	0.1%
49	Bulgaria	2	0.1%
50	Syrian Arab Republic	2	0.1%
51	Viet Nam	2	0.1%
52	Senegal	1	0.1%
53	Nigeria	1	0.1%
54	Peru	1	0.1%
55	Bangladesh	1	0.1%
56	Benin	1	0.1%
57	Cote D'ivoire	1	0.1%
58	Finland	1	0.1%
59	Macao	1	0.1%
60	Ghana	1	0.1%