What is the comparable available information for South African Airways (SAA) for the period 2001-02 and 2011-12 with regard to (a) the rand price per litre for jet-fuel, (b) labour costs in cents per available seat kilometre, (c) fleet age in respect of average age in years of SAA aircraft, (d) SAA net earnings in rand figures per annum and (e) passenger kilometres as a percentage of available seat kilometres?