Rank	Countries/Territories	Count	Percent
1	United States	570	41.7%
2	China	199	14.6%
3	India	167	12.2%
4	Germany	140	10.2%
5	Singapore	52	3.8%
6	Canada	36	2.6%
7	Japan	28	2%
8	Ireland	20	1.5%
9	Netherlands	15	1.1%
10	Korea, Republic of	12	0.9%
11	Iran, Islamic Republic of	11	0.8%
12	United Kingdom	11	0.8%
13	Russia	8	0.6%
14	Cyprus	8	0.6%
15	France	8	0.6%
16	Italy	7	0.5%
17	Argentina	5	0.4%
18	Austria	5	0.4%
19	Sweden	5	0.4%
20	Australia	4	0.3%
21	Bangladesh	3	0.2%
22	Belgium	3	0.2%
23	Ethiopia	3	0.2%
24	Finland	3	0.2%
25	Indonesia	3	0.2%
26	New Zealand	3	0.2%
27	Libya	2	0.1%
28	Malaysia	2	0.1%
29	Mexico	2	0.1%
30	Greece	2	0.1%
31	Gabon	2	0.1%
32	Egypt	2	0.1%
33	Brazil	2	0.1%
34	Bulgaria	2	0.1%
35	Croatia	2	0.1%
36	Switzerland	2	0.1%
37	Tanzania, United Republic of	2	0.1%
38	Saudi Arabia	2	0.1%
39	Viet Nam	2	0.1%
40	Spain	1	0.1%
41	Ukraine	1	0.1%
42	Taiwan	1	0.1%
43	Denmark	1	0.1%
44	Israel	1	0.1%
45	Mongolia	1	0.1%
46	Norway	1	0.1%
47	Philippines	1	0.1%
48	Poland	1	0.1%
49	Portugal	1	0.1%
50	Romania	1	0.1%