What the average turnaround time is for payments to claimants in maintenance matters by his department in respect of (a) cash received by his department (i) nationally and (ii) at the office of his department in Thaba Nchu in the Free State and (b) the money deducted for this purpose from the salaries of civil servants compared to the monthly date of payment of salaries (i) nationally and (ii) at the office of his department in Thaba Nchu in the Free State?