Year	% gross
1970	111.013771057129
1971	114.955657958984
1972	109.950698852539
1973	109.152366638184
1974	107.239379882812
1975	105.000579833984
1976	103.554611206055
1977	102.273216247559
1978	102.406112670898
1979	104.4736328125
1980	109.874488830566
1981	107.72395324707
1989	101.518081665039
1990	96.903923034668
1991	93.9748306274414
1992	95.9100799560547
1993	107.327751159668
1994	105.138893127441
1997	101.453079223633
1998	107.702423095703
1999	105.245536804199
2000	107.21955871582
2001	108.770401000977
2002	110.692092895508
2003	115.423553466797
2004	112.869186401367
2005	111.060066223145
2006	106.834358215332
2007	107.547737121582
2008	109.86351776123
2009	108.061851501465
2010	115.750099182129
2013	113.952087402344
2015	110.827339172363
2019	112.567543029785
2020	113.508941650391
2021	112.396392822266
2022	108.628997802734
