(a) How many arbitration awards were (i) granted against her department (aa) in the (aaa) 2009-10, (bbb) 2010-11 and (ccc) 2011-12 financial years and (bb) during the period 1 April 2012 up to the latest specified date for which information is available, (ii) taken on review and (iii) ruled in favour of her department and (b) what was the total cost involved in the reviews of these awards?