Rank	Countries/Territories	Count	Percent
1	United States	615	37%
2	China	552	33.3%
3	Germany	163	9.8%
4	Japan	118	7.1%
5	Singapore	52	3.1%
6	Netherlands	22	1.3%
7	France	21	1.3%
8	Brazil	21	1.3%
9	Canada	17	1%
10	Australia	9	0.5%
11	Turkey	9	0.5%
12	United Kingdom	9	0.5%
13	Cyprus	8	0.5%
14	India	7	0.4%
15	Norway	5	0.3%
16	Pakistan	3	0.2%
17	Mongolia	3	0.2%
18	Iran, Islamic Republic of	3	0.2%
19	Ireland	3	0.2%
20	Hong Kong	2	0.1%
21	Finland	2	0.1%
22	Switzerland	2	0.1%
23	Taiwan	2	0.1%
24	Latvia	2	0.1%
25	Malaysia	2	0.1%
26	South Africa	1	0.1%
27	Philippines	1	0.1%
28	Russia	1	0.1%
29	Argentina	1	0.1%
30	Estonia	1	0.1%
31	Bangladesh	1	0.1%
32	Georgia	1	0.1%
33	Korea, Republic of	1	0.1%