Table 1. Economic performance of the airline industry ($ billion)

Year	Expenses	Fuel	Operating profit	% margin	Net profit
2006	450	127	15.0	3.2	5.0
2007	490	146	19.9	3.9	14.7
2008	571	203	-1.1	-0.2	-26.1
2009	474	134	1.9	0.4	-4.6
2010	536	151	27.6	4.9	17.3
2011	623	191	19.8	3.1	8.3
2012	687	228	18.4	2.6	9.2
2013	695	230	25.3	3.5	10.7
2014	725	224	41.7	5.4	13.7
2015	661	174	59.8	8.3	35.9
2016	644	132	65.2	9.2	35.3
2017	691	130	62.6	8.3	34.5

Source: IATA Airline Industry Economic Performance, 2017.12 [5].