Rank	Countries/Territories	Count	Percent
1	United States	517	38.2%
2	China	298	22%
3	Japan	153	11.3%
4	Germany	84	6.2%
5	India	69	5.1%
6	Singapore	37	2.7%
7	Ireland	24	1.8%
8	Netherlands	23	1.7%
9	France	14	1%
10	United Kingdom	12	0.9%
11	Australia	10	0.7%
12		9	0.7%
13	Egypt	9	0.7%
14	Indonesia	8	0.6%
15	Korea, Republic of	7	0.5%
16	Norway	7	0.5%
17	South Africa	5	0.4%
18	Malaysia	4	0.3%
19	Canada	4	0.3%
20	Belgium	4	0.3%
21	Russia	4	0.3%
22	Turkey	4	0.3%
23	Cyprus	3	0.2%
24	Bangladesh	3	0.2%
25	Ethiopia	3	0.2%
26	Mexico	3	0.2%
27	New Zealand	3	0.2%
28	Portugal	3	0.2%
29	Latvia	3	0.2%
30	Kenya	2	0.1%
31	Israel	2	0.1%
32	Italy	2	0.1%
33	Mongolia	2	0.1%
34	Hong Kong	2	0.1%
35	Argentina	2	0.1%
36	Switzerland	2	0.1%
37	Thailand	2	0.1%
38	United Arab Emirates	2	0.1%
39	Uruguay	1	0.1%
40	Ukraine	1	0.1%
41	Brazil	1	0.1%
42	Ghana	1	0.1%
43	Georgia	1	0.1%
44	Sweden	1	0.1%
45	Iran, Islamic Republic of	1	0.1%
46	Lithuania	1	0.1%