Sexual Offences Where Victim Has A Disability

In relation to sexual offences of disabled individuals (with the figures being broken down if possible re: if the offences took place when the individual was a child or an adult). Please could you supply figures for the past 5 calendar years (with the figures being broken down for each year):

a) Number of allegations per year
b) Number of charges placed per year
c) Number of convictions per year

It would be helpful to have a breakdown of the disabilities if possible and within the cost/time remit.