Rank	Countries/Territories	Count	Percent
1	United States	243	37%
2	China	208	31.7%
3	Germany	78	11.9%
4	Australia	28	4.3%
5	Ukraine	15	2.3%
6	Netherlands	13	2%
7	Canada	12	1.8%
8	Japan	7	1.1%
9	India	7	1.1%
10	Indonesia	6	0.9%
11	Cyprus	5	0.8%
12	Denmark	4	0.6%
13	Norway	4	0.6%
14	Singapore	3	0.5%
15	Mongolia	3	0.5%
16	Finland	3	0.5%
17	Colombia	3	0.5%
18	Iran, Islamic Republic of	2	0.3%
19	Malaysia	2	0.3%
20	Hungary	2	0.3%
21	United Kingdom	2	0.3%
22	Russia	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%