Rank	Countries/Territories	Count	Percent
1	United States	484	37.4%
2	China	371	28.6%
3	Germany	141	10.9%
4	Russia	59	4.6%
5	United Kingdom	54	4.2%
6	Hong Kong	37	2.9%
7	France	34	2.6%
8	Japan	20	1.5%
9	Netherlands	17	1.3%
10	Australia	11	0.8%
11	Canada	10	0.8%
12	Spain	10	0.8%
13	Mongolia	7	0.5%
14	Argentina	6	0.5%
15	Cyprus	5	0.4%
16	Singapore	4	0.3%
17	Sweden	4	0.3%
18	Ireland	3	0.2%
19	India	3	0.2%
20	Iran, Islamic Republic of	2	0.2%
21	Brazil	2	0.2%
22	Korea, Republic of	2	0.2%
23	Latvia	2	0.2%
24	Switzerland	2	0.2%
25	South Africa	2	0.2%
26	Ukraine	1	0.1%
27	Norway	1	0.1%
28	Bulgaria	1	0.1%