Year	% gross
1971	120.058158874512
1972	122.688629150391
1973	125.696731567383
1974	126.283851623535
1975	130.416046142578
1976	134.289443969727
1977	131.814895629883
1978	137.209167480469
1979	133.723617553711
1980	136.020614624023
1981	136.805725097656
1982	136.678497314453
1983	136.140502929688
1984	136.659164428711
1985	136.980010986328
1986	135.236526489258
1987	136.895370483398
1988	133.733444213867
1989	137.415817260742
1992	125.758666992188
1994	129.494903564453
1995	135.303604125977
1996	134.080596923828
1997	133.558166503906
1999	132.747467041016
2001	128.349822998047
2002	134.06266784668
2003	131.537124633789
2011	127.284950256348
2019	98.4710006713867
