(1) How many helicopter (a) flights and (b) ferry flights have been undertaken by transporting the President from (i) Durban International Airport and/or (ii) King Shaka International Airport to his private residence in Nkandla (aa) in the (aaa) 2009-10, (bbb) 2010-11, (ccc) 2011-12 and (ddd) 2012-13 financial years and (bb) since 1 April 2013; (2) what is the (a) total cost and (b) breakdown of such cost for the helicopter (i) flights and (ii) ferry flights in each of the specified financial years?