Rank	Countries/Territories	Count	Percent
1	United States	168	36.7%
2	China	71	15.5%
3	India	37	8.1%
4	Japan	18	3.9%
5	Ireland	16	3.5%
6		14	3.1%
7	Iran, Islamic Republic of	13	2.8%
8	Greece	12	2.6%
9	Korea, Republic of	12	2.6%
10	Philippines	10	2.2%
11	Netherlands	7	1.5%
12	United Kingdom	6	1.3%
13	Poland	5	1.1%
14	Germany	5	1.1%
15	Canada	4	0.9%
16	France	4	0.9%
17	Pakistan	4	0.9%
18	South Africa	4	0.9%
19	Spain	4	0.9%
20	Israel	3	0.7%
21	Australia	3	0.7%
22	Egypt	3	0.7%
23	Nepal	3	0.7%
24	Saudi Arabia	3	0.7%
25	Malaysia	2	0.4%
26	Mexico	2	0.4%
27	Bulgaria	2	0.4%
28	Afghanistan	2	0.4%
29	Albania	2	0.4%
30	Singapore	2	0.4%
31	Thailand	2	0.4%
32	Turkey	2	0.4%
33	Switzerland	1	0.2%
34	Bangladesh	1	0.2%
35	Cambodia	1	0.2%
36	Finland	1	0.2%
37	Italy	1	0.2%
38	Hong Kong	1	0.2%
39	Morocco	1	0.2%
40	Lebanon	1	0.2%
41	Kenya	1	0.2%
42	Serbia	1	0.2%
43	New Zealand	1	0.2%
44	Portugal	1	0.2%
45	Romania	1	0.2%