Year % gross 1972 11.2133197784424 1980 7.63337993621826 1981 8.09683990478516 1982 8.94375991821289 1984 10.9369297027588 1987 14.0151100158691 1988 15.8162097930908 1989 16.9029598236084 1990 19.0561599731445 1994 24.4510402679443 2000 62.3005905151367 2001 61.8561782836914 2002 65.9154510498047 2003 67.3952102661133 2004 67.2301788330078 2005 70.5629425048828 2006 81.7560272216797 2007 80.4358978271484 2008 81.9230880737305 2009 81.022087097168 2010 83.4691162109375 2011 85.5802764892578 2012 86.7075271606445 2013 89.0096969604492 2014 87.442626953125 2015 87.5373077392578 2016 87.7049102783203 2017 87.0911026000977 2018 83.242317199707 2019 84.1088104248047 2020 87.3078079223633 2021 86.4913024902344