Year	% gross
1971	112.544036865234
1972	112.685203552246
1973	113.544906616211
1974	114.665107727051
1975	113.985786437988
1976	117.058639526367
1977	117.896118164062
1978	118.382316589355
1979	116.315338134766
1980	118.281341552734
1981	117.984321594238
1982	118.779937744141
1983	118.558372497559
1984	117.57967376709
1985	123.20140838623
1986	121.415870666504
1987	124.415802001953
1988	120.079986572266
1990	121.873077392578
1991	119.083587646484
1992	123.451667785645
1993	122.001289367676
1994	123.18936920166
1995	123.488327026367
1996	122.058090209961
1998	120.632278442383
1999	118.191917419434
2000	117.081680297852
2001	118.737548828125
2002	113.337348937988
2003	112.857681274414
2004	112.106552124023
2005	112.183441162109
2006	111.696319580078
2007	110.343872070312
2008	109.744232177734
2009	109.084869384766
2010	108.119750976562
2011	108.234580993652
2012	107.668022155762
2013	108.257232666016
2014	106.332641601562
2015	105.012168884277
2016	103.888946533203
2017	103.158500671387
2018	103.592842102051
2019	104.095230102539
2020	104.677337646484
2021	104.384429931641