Rank	Countries/Territories	Count	Percent
1	United States	225	39.1%
2	China	185	32.1%
3	Germany	67	11.6%
4	Japan	14	2.4%
5	Mongolia	9	1.6%
6	Singapore	9	1.6%
7	Netherlands	8	1.4%
8	France	8	1.4%
9	Cyprus	6	1%
10	Australia	6	1%
11	Indonesia	6	1%
12	Russia	6	1%
13	Taiwan	6	1%
14	Ireland	5	0.9%
15	Canada	5	0.9%
16	Sweden	3	0.5%
17	Switzerland	2	0.3%
18	Hong Kong	2	0.3%
19	United Kingdom	2	0.3%
20	Argentina	1	0.2%
21	Palestine, State of	1	0.2%