To ask the Secretary of State for Health how many people aged (a) three to nine, (b) 10 to 19, (c) 20 to 29, (d) 30 to 39, (e) 40 to 49, (f) 50 to 59 and (e) 60 years and over, were hospitalised with dehydration in each of the last five years, broken down by (i) region, (ii) month and (iii) sex. (208071)