Rank	Countries/Territories	Count	Percent
1	United States	481	39.1%
2	China	240	19.5%
3	Japan	153	12.4%
4	Germany	76	6.2%
5	India	61	5%
6	Singapore	36	2.9%
7	Netherlands	21	1.7%
8	Ireland	21	1.7%
9	France	14	1.1%
10	United Kingdom	12	1%
11		9	0.7%
12	Australia	9	0.7%
13	Egypt	8	0.7%
14	Indonesia	8	0.7%
15	Korea, Republic of	7	0.6%
16	Norway	7	0.6%
17	South Africa	5	0.4%
18	Malaysia	4	0.3%
19	Canada	4	0.3%
20	Belgium	4	0.3%
21	Cyprus	3	0.2%
22	Ethiopia	3	0.2%
23	Mexico	3	0.2%
24	New Zealand	3	0.2%
25	Portugal	3	0.2%
26	Russia	3	0.2%
27	Mongolia	2	0.2%
28	Latvia	2	0.2%
29	Kenya	2	0.2%
30	Israel	2	0.2%
31	Italy	2	0.2%
32	Hong Kong	2	0.2%
33	Argentina	2	0.2%
34	United Arab Emirates	2	0.2%
35	Switzerland	2	0.2%
36	Thailand	2	0.2%
37	Turkey	2	0.2%
38	Ukraine	1	0.1%
39	Uruguay	1	0.1%
40	Bangladesh	1	0.1%
41	Brazil	1	0.1%
42	Ghana	1	0.1%
43	Georgia	1	0.1%
44	Iran, Islamic Republic of	1	0.1%
45	Lithuania	1	0.1%
46	Sweden	1	0.1%