Rank	Countries/Territories	Count	Percent
1	United States	484	44.1%
2	China	274	25%
3	Germany	93	8.5%
4	France	33	3%
5	Japan	20	1.8%
6	India	17	1.5%
7		17	1.5%
8	Spain	16	1.5%
9	Netherlands	15	1.4%
10	Russia	13	1.2%
11	United Kingdom	12	1.1%
12	Mongolia	12	1.1%
13	Brazil	11	1%
14	Italy	10	0.9%
15	Canada	9	0.8%
16	Singapore	7	0.6%
17	Australia	6	0.5%
18	Egypt	5	0.5%
19	Hong Kong	5	0.5%
20	Korea, Republic of	4	0.4%
21	Switzerland	4	0.4%
22	Taiwan	3	0.3%
23	Romania	3	0.3%
24	Ukraine	3	0.3%
25	Iran, Islamic Republic of	3	0.3%
26	Ireland	3	0.3%
27	Ethiopia	2	0.2%
28	Cyprus	2	0.2%
29	Belgium	2	0.2%
30	Saudi Arabia	2	0.2%
31	Peru	2	0.2%
32	Thailand	2	0.2%
33	Turkey	2	0.2%
34	Poland	1	0.1%
35	Denmark	1	0.1%