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