In light of the recent media statement by his department that there are some remand detainees within correctional centres who have been in remand detention for more than two years thus contributing to overcrowding, what (a) is the total number of remand detainees who have been in detention for more than two years, (b) are the reasons for the prolonged period of detention and (c) are the further relevant details of the strategies developed during the two consultative sessions that were held in November 2021 for all six regions of his department during which heads of correctional centres deliberated on measures to reduce overcrowding?