Year % gross 1970 84.8238906860352 1971 85.7114715576172 1972 83.8455963134766 1973 88.2215805053711 1974 89.6408004760742 1975 91.6333312988281 1976 93.9762878417969 1977 96.0031814575195 1978 99.2619476318359 1979 102.77303314209 1980 94.6085662841797 1981 78.9329071044922 1982 90.0431671142578 1983 93.3115005493164 1984 95.3943328857422 1987 103.978790283203 1988 104.155311584473 1989 99.4072189331055 1991 92.7879791259766 1992 93.5428619384766 1993 92.9069137573242 1995 94.891960144043 1996 102.646690368652 1997 72.5971298217773 1998 105.547958374023 1999 106.854721069336 2000 107.429580688477 2001 109.073371887207 2002 111.009010314941 2003 113.94783782959 2004 117.09748840332 2005 117.049522399902 2006 115.950569152832 2007 120.903472900391 2008 112.688972473145 2009 111.042167663574 2010 111.039741516113 2011 109.942649841309 2012 108.89933013916 2013 107.934982299805 2014 106.597427368164 2015 104.58032989502 2016 102.411903381348 2017 94.9000015258789 2018 93.3059997558594 2019 88.6849975585938 2023 90.786003112793