Year	% gross
1971	76.321418762207
1972	77.6366271972656
1973	82.7287368774414
1974	85.6546630859375
1975	89.7098999023438
1976	92.0164566040039
1977	92.9062271118164
1978	93.4944381713867
1979	93.5039215087891
1980	94.4383926391602
1981	95.5287780761719
1982	98.7436981201172
1983	100.338943481445
1984	101.181030273438
1985	101.40071105957
1986	101.475028991699
1987	102.506477355957
1988	103.635726928711
1989	104.406181335449
1990	106.006156921387
1991	106.499847412109
1992	107.210479736328
1993	112.259269714355
1994	113.723289489746
1995	115.252487182617
1996	117.0849609375
1997	120.32209777832
1998	108.336326599121
1999	108.312423706055
2000	109.549362182617
2001	109.808570861816
2002	111.292457580566
2003	112.472328186035
2004	113.681762695312
2005	114.562652587891
2006	113.762756347656
2007	115.01000213623
2008	114.988639831543
2009	118.528137207031
2010	121.657470703125
2011	118.078887939453
2012	119.381332397461
2014	118.297927856445
2015	118.652038574219
2016	118.613380432129
2017	124.292877197266
2018	165.307281494141
2019	144.521484375
2020	141.974639892578
2021	141.58171081543
