Rank	Countries/Territories	Count	Percent
1	United States	373	36.1%
2	China	78	7.6%
3	Ireland	77	7.5%
4	Korea, Republic of	46	4.5%
5	India	41	4%
6	Germany	36	3.5%
7	United Kingdom	33	3.2%
8	Indonesia	22	2.1%
9	Malaysia	21	2%
10	Russia	19	1.8%
11	Nigeria	17	1.6%
12	Canada	17	1.6%
13	Australia	17	1.6%
14	Turkey	15	1.5%
15	Portugal	14	1.4%
16	Iran, Islamic Republic of	14	1.4%
17	Netherlands	13	1.3%
18	Pakistan	10	1%
19	France	10	1%
20	Colombia	9	0.9%
21	Czech Republic	8	0.8%
22	South Africa	8	0.8%
23	Romania	7	0.7%
24	Mexico	7	0.7%
25	Japan	7	0.7%
26	Hong Kong	6	0.6%
27	Brazil	6	0.6%
28	Philippines	6	0.6%
29	Singapore	6	0.6%
30	Yemen	6	0.6%
31	Spain	5	0.5%
32	Costa Rica	5	0.5%
33	Ethiopia	5	0.5%
34	Iraq	5	0.5%
35	Jordan	4	0.4%
36	Luxembourg	4	0.4%
37	Ecuador	4	0.4%
38	Saudi Arabia	4	0.4%
39	Palestine, State of	3	0.3%
40	Taiwan	3	0.3%
41	Ghana	3	0.3%
42	Greece	3	0.3%
43	Denmark	3	0.3%
44	Burkina Faso	2	0.2%
45	Egypt	2	0.2%
46	Liberia	2	0.2%
47	Kazakhstan	2	0.2%
48	Ukraine	2	0.2%
49	Switzerland	2	0.2%
50	Zambia	2	0.2%
51	Viet Nam	2	0.2%
52	Peru	2	0.2%
53	Morocco	2	0.2%
54	Namibia	1	0.1%
55	Nepal	1	0.1%
56	New Zealand	1	0.1%
57	Slovakia	1	0.1%
58	Poland	1	0.1%
59	Uzbekistan	1	0.1%
60	Thailand	1	0.1%
61	Sweden	1	0.1%
62	Moldova, Republic of	1	0.1%
63	Lao People's Democratic Republic	1	0.1%
64	Grenada	1	0.1%
65	Belgium	1	0.1%
66	Botswana	1	0.1%