§ Mr. BarronTo ask the Secretary of State for Employment how many employers currently holding investor in people status employ(a) 0 to 25 per cent., (b) 25 to 50 per cent., (c) 51 to 75 per cent. and (d) 76 to 100 per cent. of their staff on a part-time basis (i) for each of his Department's regions and (ii) nationally. [26504]