(1) What is the (a) number of beds, (b)(i) optimal and (ii) actual number of staff, (c) current designation of each staff member and (d) number of patients that had been admitted at each psychiatric hospital as at the latest specified date for which information is available; (2) whether his department has implemented a programme of de-institutionalisation for certain categories of psychiatric patients; if not, why not; if so, what are the relevant details; (3) how many cases of abuse of patients by staff at each psychiatric hospital have been reported in each of the past 12 months for which information is available; (4) whether any investigation was conducted in each such case; if not, why not; if so, what are the relevant details?