Rank	Countries/Territories	Count	Percent
1	United States	487	42.7%
2	China	353	30.9%
3	Germany	103	9%
4	France	79	6.9%
5	Canada	18	1.6%
6	Japan	18	1.6%
7	Netherlands	12	1.1%
8	Ukraine	12	1.1%
9	Ireland	10	0.9%
10	Australia	8	0.7%
11	Hong Kong	5	0.4%
12	Latvia	5	0.4%
13	India	4	0.4%
14	Cyprus	4	0.4%
15	Argentina	3	0.3%
16	Iran, Islamic Republic of	3	0.3%
17	Singapore	3	0.3%
18	Mongolia	2	0.2%
19	Russia	2	0.2%
20	Italy	2	0.2%
21	Korea, Republic of	2	0.2%
22	Bangladesh	2	0.2%
23	Austria	1	0.1%
24	Malaysia	1	0.1%
25	Switzerland	1	0.1%
26	Turkey	1	0.1%