Year	% gross
1971	71.8970794677734
1972	89.1127777099609
1974	87.440559387207
1975	87.1216888427734
1976	94.0298461914062
1977	94.3536529541016
1978	91.8037185668945
1979	90.3478927612305
1984	124.415809631348
1992	104.683631896973
1995	117.260597229004
2000	134.458557128906
2007	115.968322753906
2008	117.967552185059
2009	117.42163848877
2010	119.558059692383
2011	116.570022583008
2012	113.029838562012
2013	112.633003234863
2014	111.841667175293
2015	109.831062316895
2016	106.869003295898
2017	109.164749145508
2018	112.091682434082
2019	112.122001647949