Year	% gross
1970	102.615097045898
1971	102.916053771973
1972	98.3406219482422
1973	101.28101348877
1974	100.009452819824
1975	97.7541885375977
1976	99.817253112793
1977	101.264038085938
1978	103.622566223145
1979	105.337501525879
1980	107.645141601562
1981	108.926689147949
1982	107.767013549805
1983	109.834037780762
1984	109.750061035156
1985	109.661720275879
1986	108.750511169434
1987	109.49796295166
1988	110.88304901123
1989	112.087593078613
1990	113.11205291748
1991	114.421951293945
1992	110.737457275391
1993	118.187911987305
1994	116.678657531738
1995	117.709968566895
1996	119.680763244629
1997	118.818832397461
1998	123.782356262207
1999	121.15406036377
2000	121.660522460938
2001	120.566818237305
2002	119.243782043457
2003	115.414512634277
2004	115.15234375
2005	116.105567932129
2006	114.445793151855
2007	113.057830810547
2008	111.678787231445
2009	110.521461486816
2010	110.303131103516
2011	108.958236694336
2012	112.23876953125
2013	106.483001708984
2014	104.268997192383
2015	98.234001159668
2016	98.1175384521484
2019	89.8880004882812
2020	92.2833709716797
2021	92.5459365844727
2022	93.2309494018555
2023	90.6060028076172