Year	% gross
1970	46.4560089111328
1971	52.6633605957031
1972	57.2630386352539
1973	60.9259910583496
1974	62.547550201416
1975	61.5078582763672
1976	62.3055114746094
1977	63.7569694519043
1978	65.0077285766602
1979	67.2380981445312
1980	66.8309783935547
1981	67.5663299560547
1982	66.3153991699219
1983	70.9228897094727
1984	73.3547286987305
1985	76.5542678833008
1986	77.8546676635742
1989	79.0744018554688
1990	76.0732116699219
1991	92.5348205566406
1992	93.175651550293
1993	75.1821517944336
1998	81.1214065551758
1999	83.8459930419922
2000	87.8805084228516
2002	90.2218780517578
2003	91.2260513305664
2004	91.6760330200195
2005	92.6120986938477
2006	92.9499893188477
2007	92.7402114868164
2008	92.7565612792969
2009	91.1818389892578
2010	92.4085998535156
2011	92.4001922607422
2012	91.1228790283203
2013	99.6723937988281
2014	100.32071685791
2015	101.253883361816
2016	101.831230163574
2017	102.539222717285
2018	103.21607208252
2019	104.032539367676
2020	103.239501953125
2021	106.125999450684
2022	105.129852294922