7. Operating costs less staff costs and depreciation and amortisation

	2013	2012
Aircraft and passenger servicing	1,444.8	1,274.2
Aircraft maintenance	639.7	583.5
Operating lease expenses	602.1	567.0
Sales and marketing	402.2	353.6
Administration and general expenses	272.0	255.2
Passenger services	214.0	177.3
Communication expenses	185.4	150.9
Food and beverages on board	154.6	93.5
Custom duties	43.8	44.6
Insurance expenses	39.0	40.5
Cost of duty free goods sold	6.0	58.1
Other expenses	183.6	305.5
Operating costs less aircraft fuel, staff costs and depreciation and amortisation	4,187.2	3,903.9
Aircraft fuel	2,484.5	2,287.5
Total operating costs less staff costs and depreciation and amortisation	6,671.7	6,191.4

Notes in Consolidated Statements: