To ask the Chancellor of the Exchequer with reference to the answer of 9 September 2009, Official Report, column 1929W, on state retirement pensions, how many (a) men and (b) women who reached state pension age between 6 April 2008 and 5 April 2009 have taken up the option of buying back one or more years of class 3 national insurance contributions under the measures contained in the Pensions Act 2008 to date; and how much has been paid back in contributions by such individuals to date. (319540)