Rank	Countries/Territories	Count	Percent
1	United States	362	45.9%
2	China	221	28%
3	Germany	68	8.6%
4	Japan	34	4.3%
5	France	19	2.4%
6	Norway	14	1.8%
7	Canada	12	1.5%
8	Singapore	11	1.4%
9	Netherlands	9	1.1%
10	Mongolia	8	1%
11	Russia	6	0.8%
12	Cyprus	6	0.8%
13	Taiwan	4	0.5%
14	Argentina	3	0.4%
15	Australia	2	0.3%
16	Belgium	2	0.3%
17	United Kingdom	2	0.3%
18	Ukraine	1	0.1%
19	South Africa	1	0.1%
20	Hong Kong	1	0.1%
21	India	1	0.1%
22	Indonesia	1	0.1%
23	Malaysia	1	0.1%