(1) How many (a) Gripen and (b) Hawk aircraft were (i) delivered by 31 December 2011 and (ii) serviceable in 2011; (2) how many hours (a) must each (i) Hawk and (ii) Gripen aircraft fly in order to maintain serviceability and (b) did each specified aircraft actually fly in 2011; (3) whether she will make a statement on the matter?