With reference to his comments made at the Construction Industry Development Board’s National Stakeholder Forum held on 29 March 2016, that some of the officials in his department allegedly require bribes before they will make payments, how many of the specified officials have been (a) arrested, (b) charged and (c) forced to return any bribe money to the respective companies which they extorted money from in each province in the (i) 2012-13, (ii) 2013-14, (iii) 2014-15 and (iv) 2015-16 financial years?