(1) How many inspectors have been employed by his department (a) in (i) 2005-06, (ii) 2006-07, (iii) 2007-08, (iv) 2008-09 and (b) during the period 1 April 2009 up to the latest specified date for which information is available; (2) how many workplaces were investigated (a) in (i) 2005-06, (ii) 2006-07, (iii) 2007-08, (iv) 2008-09 and (b) during the period 1 April 2009 up to the latest specified date for which information is available; (3) (a) how many complaints have his department received (i) in (aa) 2005-06, (bb) 2006-07, (cc) 2007-08, (dd) 2008-09 and (ii) during the period 1 April 2009 up to the latest specified date for which information is available and (b) how many of these complaints were investigated in each financial year up the latest specified date for which information is available?