Rank	Countries/Territories	Count	Percent
1	United States	635	28.1%
2	China	407	18%
3	Japan	351	15.5%
4	Singapore	100	4.4%
5	Ireland	94	4.2%
6	Germany	81	3.6%
7	Australia	46	2%
8	Canada	45	2%
9	United Kingdom	42	1.9%
10	Russia	39	1.7%
11	Spain	36	1.6%
12	Colombia	33	1.5%
13	Netherlands	30	1.3%
14	India	29	1.3%
15	Mexico	21	0.9%
16	Hong Kong	18	0.8%
17	Brazil	18	0.8%
18	France	15	0.7%
19	Korea, Republic of	14	0.6%
20	Portugal	13	0.6%
21	Switzerland	13	0.6%
22	Poland	12	0.5%
23	Pakistan	12	0.5%
24	Italy	11	0.5%
25	Taiwan	10	0.4%
26	Turkey	10	0.4%
27	Norway	8	0.4%
28	Cyprus	8	0.4%
29	Greece	7	0.3%
30	Iran, Islamic Republic of	7	0.3%
31	Romania	6	0.3%
32	Nigeria	5	0.2%
33	Lithuania	5	0.2%
34	Ukraine	5	0.2%
35	Indonesia	5	0.2%
36	Ecuador	5	0.2%
37	Bangladesh	5	0.2%
38	Argentina	5	0.2%
39	Iraq	4	0.2%
40	Algeria	3	0.1%
41	Belgium	3	0.1%
42	Chile	3	0.1%
43	Egypt	3	0.1%
44	Ethiopia	3	0.1%
45	Malaysia	3	0.1%
46	Mauritius	3	0.1%
47	Palestine, State of	3	0.1%
48	Philippines	3	0.1%
49	Viet Nam	2	0.1%
50	Hungary	2	0.1%
51	Iceland	2	0.1%
52	Latvia	2	0.1%
53	Lebanon	2	0.1%
54	Jordan	1	0%
55	Israel	1	0%
56	Honduras	1	0%
57	Finland	1	0%
58	Denmark	1	0%
59	Bulgaria	1	0%
60	Thailand	1	0%
61	Syrian Arab Republic	1	0%
62	Sweden	1	0%
63	Slovenia	1	0%
64	South Africa	1	0%
65	Panama	1	0%
66	Oman	1	0%