Year	% gross
1970	36.4390182495117
1971	45.3920211791992
1972	44.7587394714355
1973	54.560131072998
1974	54.0771598815918
1975	78.7253570556641
1976	67.9559783935547
1977	72.8757781982422
1978	66.4403915405273
1979	65.3725509643555
1980	69.7362518310547
1981	68.170539855957
1982	66.3901519775391
1983	66.2019424438477
1984	66.850830078125
1985	67.1943588256836
1986	68.0713500976563
1987	71.0505828857422
1988	71.8102722167969
1989	99.4204406738281
1990	100.346328735352
1991	101.507400512695
1992	106.429153442383
1993	109.607147216797
1994	112.381652832031
1995	103.163848876953
1996	104.592308044434
1997	106.80753326416
1998	103.856666564941
1999	104.045028686523
2000	101.046798706055
2001	101.036323547363
2002	100.250518798828
2003	100.064086914063
2004	100.627479553223
2005	98.7641525268555
2006	99.3505706787109
2007	108.413307189941
2008	109.795341491699
2009	106.635879516602
2010	113.487937927246
2011	116.635559082031
2012	118.547859191895
2013	111.723358154297
2014	108.078598022461
2015	110.436141967773
2016	111.516220092773
2017	107.719261169434
2018	109.324981689453
2019	111.036712646484
2020	112.487106323242