Rank	Countries/Territories	Count	Percent
1	United States	509	37%
2	China	443	32.2%
3	Germany	137	10%
4	Japan	59	4.3%
5	France	43	3.1%
6	Netherlands	42	3.1%
7	India	36	2.6%
8	Singapore	17	1.2%
9	United Kingdom	10	0.7%
10	Cyprus	9	0.7%
11	Bulgaria	9	0.7%
12	Canada	7	0.5%
13	Australia	7	0.5%
14	Brazil	6	0.4%
15	Malaysia	6	0.4%
16	Korea, Republic of	5	0.4%
17	Lithuania	4	0.3%
18	Argentina	4	0.3%
19	Spain	4	0.3%
20	Jordan	3	0.2%
21	Iran, Islamic Republic of	3	0.2%
22	Ireland	3	0.2%
23	Switzerland	2	0.1%
24	Mexico	2	0.1%
25	Thailand	1	0.1%
26	Ukraine	1	0.1%
27	Uruguay	1	0.1%
28	Hong Kong	1	0.1%
29	Bangladesh	1	0.1%