Rank	Countries/Territories	Count	Percent
1	United States	390	38.2%
2	China	169	16.5%
3	Japan	152	14.9%
4	Germany	82	8%
5	Singapore	25	2.4%
6	France	22	2.2%
7	Australia	22	2.2%
8	Netherlands	18	1.8%
9	India	17	1.7%
10	United Kingdom	12	1.2%
11	Spain	9	0.9%
12	Canada	9	0.9%
13	Iran, Islamic Republic of	8	0.8%
14	Italy	7	0.7%
15	Malaysia	7	0.7%
16	Ireland	6	0.6%
17	Poland	6	0.6%
18	Sweden	6	0.6%
19	Taiwan	5	0.5%
20	Russia	5	0.5%
21	Mexico	5	0.5%
22	Brazil	5	0.5%
23	Hong Kong	3	0.3%
24	Indonesia	2	0.2%
25	Cyprus	2	0.2%
26	Czech Republic	2	0.2%
27	South Africa	2	0.2%
28	New Zealand	2	0.2%
29	Iraq	2	0.2%
30	Mauritius	2	0.2%
31	Korea, Republic of	2	0.2%
32	Turkey	2	0.2%
33	Ukraine	2	0.2%
34	United Arab Emirates	2	0.2%
35	Viet Nam	2	0.2%
36	Switzerland	1	0.1%
37	Slovenia	1	0.1%
38	Denmark	1	0.1%
39	Egypt	1	0.1%
40	Finland	1	0.1%
41	Chile	1	0.1%
42	Argentina	1	0.1%
43	Croatia	1	0.1%