Rank	Countries/Territories	Count	Percent
1	United States	434	37.6%
2	China	213	18.5%
3	Japan	198	17.2%
4	Germany	83	7.2%
5	Singapore	38	3.3%
6	France	30	2.6%
7	United Kingdom	20	1.7%
8	Canada	17	1.5%
9	Korea, Republic of	16	1.4%
10	Switzerland	13	1.1%
11	Iran, Islamic Republic of	10	0.9%
12	Cyprus	9	0.8%
13	India	8	0.7%
14	Hong Kong	8	0.7%
15	Netherlands	6	0.5%
16	Ukraine	5	0.4%
17	Taiwan	4	0.3%
18	Italy	4	0.3%
19	Malaysia	4	0.3%
20	Brazil	4	0.3%
21	Argentina	3	0.3%
22	Portugal	3	0.3%
23	South Africa	3	0.3%
24	Spain	3	0.3%
25	Turkey	2	0.2%
26	New Zealand	2	0.2%
27	Latvia	2	0.2%
28	Australia	2	0.2%
29	Ireland	2	0.2%
30	Israel	1	0.1%
31	Hungary	1	0.1%
32	Greece	1	0.1%
33	Austria	1	0.1%
34	Bangladesh	1	0.1%
35	Finland	1	0.1%
36	Norway	1	0.1%
37	Romania	1	0.1%