Rank	Countries/Territories	Count	Percent
1	United States	596	38.6%
2	China	592	38.3%
3	Germany	107	6.9%
4	France	58	3.8%
5	Japan	42	2.7%
6	Korea, Republic of	19	1.2%
7	India	14	0.9%
8	Singapore	12	0.8%
9	United Kingdom	12	0.8%
10	Netherlands	11	0.7%
11	Iran, Islamic Republic of	9	0.6%
12	Canada	8	0.5%
13	Ukraine	8	0.5%
14	Hong Kong	7	0.5%
15	Australia	7	0.5%
16	Russia	4	0.3%
17	Spain	3	0.2%
18	Puerto Rico	3	0.2%
19	Romania	3	0.2%
20	Mongolia	3	0.2%
21	Argentina	3	0.2%
22	Cyprus	3	0.2%
23	Ireland	3	0.2%
24	Latvia	2	0.1%
25	Georgia	2	0.1%
26	Bulgaria	2	0.1%
27	Portugal	2	0.1%
28	Malaysia	2	0.1%
29	Switzerland	2	0.1%
30	Sweden	1	0.1%
31	Norway	1	0.1%
32	Austria	1	0.1%
33	Lithuania	1	0.1%
34	Macao	1	0.1%
35	Israel	1	0.1%