Rank	Countries/Territories	Count	Percent
1	United States	637	41.9%
2	China	504	33.2%
3	Germany	131	8.6%
4	France	69	4.5%
5	Japan	36	2.4%
6	Mongolia	20	1.3%
7	Canada	17	1.1%
8	Brazil	13	0.9%
9	Singapore	13	0.9%
10	Australia	11	0.7%
11	Ireland	11	0.7%
12	Netherlands	9	0.6%
13	Cyprus	7	0.5%
14	Russia	6	0.4%
15	United Kingdom	6	0.4%
16	Latvia	5	0.3%
17	Korea, Republic of	4	0.3%
18	El Salvador	3	0.2%
19	Ukraine	3	0.2%
20	Lithuania	2	0.1%
21	Argentina	2	0.1%
22	Italy	2	0.1%
23	India	2	0.1%
24	Hong Kong	1	0.1%
25	Bangladesh	1	0.1%
26	Bulgaria	1	0.1%
27	Malaysia	1	0.1%
28	Norway	1	0.1%
29	Spain	1	0.1%