Rank	Countries/Territories	Count	Percent
1	United States	456	33.8%
2	China	426	31.6%
3	Japan	163	12.1%
4	Germany	134	9.9%
5	Singapore	26	1.9%
6	Netherlands	17	1.3%
7	France	13	1%
8	Canada	11	0.8%
9	India	11	0.8%
10	Cyprus	8	0.6%
11	Austria	8	0.6%
12	United Kingdom	8	0.6%
13	Taiwan	6	0.4%
14	Poland	5	0.4%
15	Malaysia	4	0.3%
16	Korea, Republic of	4	0.3%
17	Ghana	4	0.3%
18	Turkey	4	0.3%
19	Bulgaria	3	0.2%
20	Mexico	3	0.2%
21	Latvia	2	0.1%
22	Thailand	2	0.1%
23	Puerto Rico	2	0.1%
24	Russia	2	0.1%
25	South Africa	2	0.1%
26	Spain	2	0.1%
27	Sweden	2	0.1%
28	Iran, Islamic Republic of	2	0.1%
29	Bangladesh	2	0.1%
30	Brazil	2	0.1%
31	Argentina	2	0.1%
32	Australia	2	0.1%
33	Denmark	2	0.1%
34	Viet Nam	2	0.1%
35	Finland	1	0.1%
36	Hong Kong	1	0.1%
37	Georgia	1	0.1%
38	Switzerland	1	0.1%
39	Luxembourg	1	0.1%
40	Portugal	1	0.1%