Year % gross 1971 85.319709777832 1972 76.2756805419922 1973 86.3300399780273 1974 82.6435470581055 1975 83.3746109008789 1976 79.667106628418 1977 79.7663726806641 1978 81.1697616577148 1979 84.656608581543 1980 84.3761978149414 1981 84.5828704833984 1982 83.7543487548828 1983 84.4284591674805 1984 85.4054794311523 1985 85.3602600097656 1986 90.8442611694336 1987 91.0444869995117 1988 91.8643188476562 1989 90.7486724853516 1990 90.449821472168 1991 91.2657089233398 1992 93.3479690551758 1993 122.857566833496 1994 129.013122558594 1995 132.758605957031 1996 136.327941894531 1997 139.656616210938 1998 155.396865844727 1999 156.226974487305 2000 151.756378173828 2001 147.903442382812 2002 144.218505859375 2003 136.474304199219 2004 101.425491333008 2005 101.482162475586 2006 101.204086303711 2007 100.998710632324 2008 101.521087646484 2009 101.434310913086 2010 102.25106048584 2011 102.14037322998 2012 103.106872558594 2013 132.713500976562 2014 133.660247802734 2015 137.462966918945 2016 137.561157226562 2017 142.641586303711 2018 140.821746826172 2019 136.641006469727 2020 136.426132202148 2021 138.688186645508 2022 139.406524658203