Rank	Countries/Territories	Count	Percent
1	United States	225	36.1%
2	China	195	31.2%
3	Germany	78	12.5%
4	Australia	28	4.5%
5	Ukraine	15	2.4%
6	Netherlands	12	1.9%
7	Canada	12	1.9%
8	Japan	7	1.1%
9	India	7	1.1%
10	Indonesia	6	1%
11	Cyprus	5	0.8%
12	Denmark	4	0.6%
13	Norway	4	0.6%
14	Mongolia	3	0.5%
15	Finland	3	0.5%
16	Colombia	3	0.5%
17	Iran, Islamic Republic of	2	0.3%
18	Malaysia	2	0.3%
19	Hungary	2	0.3%
20	United Kingdom	2	0.3%
21	Russia	2	0.3%
22	Singapore	2	0.3%
23	Taiwan	1	0.2%
24	Thailand	1	0.2%
25	Ireland	1	0.2%
26	Italy	1	0.2%
27	France	1	0.2%