Year % gross 1979 2.9412100315094 1980 3.10574007034302 1982 3.85258007049561 1983 4.06756019592285 1984 4.37184000015259 1985 5.39908981323242 1988 6.31635999679565 1989 5.78398990631104 1998 23.8795394897461 1999 24.3864707946777 2000 28.1211605072021 2001 29.4617595672607 2002 32.6812782287598 2003 37.3751602172852 2004 34.9357604980469 2005 32.3260803222656 2006 32.2703514099121 2007 34.6584510803223 2008 38.5197792053223 2009 40.5446014404297 2010 42.7966117858887 2011 40.9309997558594 2012 42.5209999084473 2013 44.25 2014 44.4809989929199 2015 50.8359985351562 2016 50.1580009460449 2017 46.951000213623 2018 49.9080009460449 2019 48.7760009765625 2020 48.1619987487793 2021 46.6660003662109 2022 46.1069984436035