Year	% gross
2007	97.14990234375
2008	102.817489624023
2009	105.247299194336
2010	108.016059875488
2011	107.731903076172
2012	108.355880737305
2013	108.785263061523
2014	109.835861206055
2015	113.951560974121
2016	114.78002166748
2018	117.870948791504