Year % gross 1974 46.8449592590332 1975 51.951171875 1976 51.1452102661133 1977 56.898998260498 1979 62.1592102050781 1986 70.5815887451172 1987 72.3173980712891 1988 84.1593780517578 1990 79.6511611938477 1991 84.4360885620117 1992 79.1765594482422 1993 122.649223327637 1999 74.8831787109375 2000 64.3946533203125 2001 74.505989074707 2002 74.8342132568359 2003 61.5620193481445 2004 76.4879684448242 2005 93.4754180908203 2006 92.5195007324219 2007 90.7863006591797 2008 101.159858703613 2009 99.1609878540039 2010 103.446388244629 2011 102.644912719727 2012 97.580192565918 2013 104.124862670898 2014 91.1098785400391 2015 96.7064208984375 2016 95.6970672607422 2019 85.8147735595703 2020 76.0273971557617 2021 66.0313873291016