Year % gross 1970 83.7424163818359 1971 81.1913833618164 1972 87.5069580078125 1973 91.5369567871094 1975 99.3787536621094 1976 93.5840072631836 1977 94.0334930419922 1978 93.785270690918 1979 96.0147399902344 1980 92.783576965332 1981 91.7810134887695 1982 91.1523132324219 1983 93.3535385131836 1986 103.686889648438 1994 99.7161331176758 1995 101.07837677002 1996 98.9227523803711 1997 98.3825073242188 1998 97.3268280029297 1999 92.0002822875977 2000 92.6195678710938 2001 94.0499267578125 2002 96.0640335083008 2003 97.5001602172852 2004 98.5695495605469 2005 98.7084732055664 2006 98.4477310180664 2007 99.0897903442383 2009 97.5903625488281 2010 103.159942626953 2011 100.687118530273 2012 100.249099731445 2014 104.140907287598 2015 104.949996948242 2016 106.147003173828 2017 104.856750488281 2018 103.44132232666 2019 104.578300476074 2020 102.256401062012 2021 105.888191223145 2022 103.93399810791