input_data.csv

Patient ID,Name,Flu Vaccine,Age,County
65192,Bob,Yes,42,Cornwall
84568,Nigel,No,27,Devon
93765,Florence,Yes,84,Somerset
97865,Martha,Yes,57,Somerset
12451,Simon,No,35,Somerset
50215,Terry,Yes,48,Somerset
98010,Dave,Yes,51,Cornwall
23121,Dan,Yes,38,Devon
90154,Alfred,No,71,Devon
98451,Joan,No,79,Devon
31235,Doris,No,92,Cornwall
63187,Hugo,Yes,57,Cornwall
41201,Ross,No,18,Cornwall
19012,Ruth,Yes,67,Cornwall
10020,Amanda,Yes,52,Somerset
98123,Jeremiah,No,61,Devon
78761,Pete,No,59,Cornwall
21756,Kevin,No,56,Cornwall
89567,Mildred,Yes,92,Cornwall
87561,Sue,Yes,81,Devon
19547,Barbara,Yes,86,Devon
22233,Victoria,No,41,Somerset
90976,Cindy,Yes,34,Devon
76547,Pam,No,57,Devon
65661,Rosemary,Yes,74,Devon
44123,Betty,Yes,95,Devon
98714,Doreen,No,89,Cornwall
19872,Ada,No,71,Cornwall
19811,June,No,78,Cornwall
56456,Dot,Yes,84,Cornwall
77781,Janice,Yes,89,Devon
22312,Prudence,No,88,Cornwall
22909,Eileen,No,76,Devon
59812,Maureen,Yes,56,Cornwall