Rank	Countries/Territories	Count	Percent
1	United States	362	36.4%
2	China	286	28.7%
3	Germany	112	11.3%
4	Russia	44	4.4%
5	Netherlands	33	3.3%
6	France	28	2.8%
7	Argentina	24	2.4%
8	Kazakhstan	24	2.4%
9	Canada	20	2%
10	Japan	15	1.5%
11	Korea, Republic of	5	0.5%
12	India	5	0.5%
13	Egypt	5	0.5%
14	Singapore	5	0.5%
15	Hong Kong	4	0.4%
16	Bulgaria	3	0.3%
17	Australia	3	0.3%
18	Bangladesh	2	0.2%
19	Cyprus	2	0.2%
20	Mongolia	2	0.2%
21	Ireland	2	0.2%
22	Turkey	2	0.2%
23	Norway	2	0.2%
24	Saudi Arabia	2	0.2%
25	Poland	1	0.1%
26	United Kingdom	1	0.1%
27	Indonesia	1	0.1%