Rank	Countries/Territories	Count	Percent
1	United States	387	41.2%
2	China	352	37.5%
3	Germany	69	7.3%
4	France	21	2.2%
5	Japan	20	2.1%
6	Canada	18	1.9%
7	Singapore	11	1.2%
8	Netherlands	9	1%
9	Korea, Republic of	8	0.9%
10	Lithuania	6	0.6%
11	Ireland	6	0.6%
12	Argentina	5	0.5%
13	Hong Kong	3	0.3%
14	Turkey	3	0.3%
15	Ukraine	2	0.2%
16	Mongolia	2	0.2%
17	India	2	0.2%
18	Iran, Islamic Republic of	2	0.2%
19	Brazil	2	0.2%
20	Bulgaria	2	0.2%
21	Colombia	2	0.2%
22	Cyprus	2	0.2%
23	Australia	1	0.1%
24	Bangladesh	1	0.1%
25	Malaysia	1	0.1%
26	Morocco	1	0.1%
27	United Kingdom	1	0.1%