Whether, with reference to his reply to question 199 on 20 March 2012, any action has been taken against the 25 255 public servants found guilty by the Special Investigating Unit (SIU) for fraud against the SA Social Security Agency since the inception of the SIU in 2005; if not, why not; if so, (i) what action was taken against each individual, (ii) what position did each such person hold in each department and (iii) of what amount did they defraud the agency in each case?