Year % gross 1970 5.2117600440979 1971 5.23147010803223 1972 6.19084978103638 1973 7.07063007354736 1974 8.2157096862793 1975 9.43647003173828 1976 9.71776008605957 1977 9.97033977508545 1978 10.4277896881104 1979 10.9912796020508 1980 11.5608100891113 1981 12.1225299835205 1982 12.527569770813 1983 13.3294897079468 1984 13.8493700027466 1985 14.5259599685669 1986 15.1873903274536 1987 15.805549621582 1988 16.2160491943359 1989 16.5196094512939 1990 16.670280456543 1991 17.0676498413086 1992 17.1422595977783 1993 17.2769393920898 1994 17.6394805908203 1995 18.2831192016602 1996 19.1578693389893 1997 20.4241409301758 1998 22.0466709136963 1999 23.7145500183105 2000 25.0895805358887 2001 26.5094299316406 2002 28.5074405670166 2003 30.2575492858887 2004 31.8539791107178 2005 33.7654418945312 2006 37.6296501159668 2007 39.5331001281738 2008 42.934398651123 2009 44.509220123291 2010 46.2623901367188 2011 48.1195411682129 2012 49.9653511047363 2013 51.1558494567871 2014 53.0206909179688 2015 54.380989074707 2016 56.7232284545898 2017 58.3633613586426 2018 59.3205299377441 2019 60.5527000427246 2020 62.9286804199219 2021 65.8623275756836 2022 65.6830902099609