In each month and in each case in the (a) past three financial years and (b) since 1 January 2023, (i) what number of staff have been suspended at the Passenger Rail Agency of South Africa, (ii) what amount was spent on salaries and/or any other type of remuneration on the specified staff, (iii) what are the reasons for each suspension, (iv) what are the details of each suspension that (aa) has been lifted and (bb) is still in place, (v) who is fulfilling the tasks that were performed by the suspended personnel and (vi) what are the costs associated with each suspension and the working conditions for the persons performing the functions of the suspended staff members in each case?