(a) What is the total number of (i) fulltime shop stewards and (ii) national office bearers elected by labour unions that are employed and paid by the State in the public service and (b) will he furnish Dr L A Schreiber with a breakdown of the number of (i) full-time shop stewards and (ii) national office bearers elected by labour unions employed and paid by the State in the public service in each (aa) national government department, (bb) provincial government department and (cc) public sector labour union?