Year % gross 1991 56.0265312194824 1992 46.5109710693359 1993 34.7793006896973 1994 35.0354690551758 1995 36.0239486694336 1996 38.8049812316895 1997 40.1137313842773 1999 40.6271781921387 2001 42.9776000976563 2003 46.8453788757324 2004 48.9365005493164 2005 50.9415588378906 2006 53.3550491333008 2007 54.6292610168457 2008 57.9547309875488 2009 61.1715087890625 2010 64.3134613037109 2011 68.8920669555664 2012 75.8270492553711 2013 79.9411468505859 2014 81.9464721679688 2015 85.1757125854492 2016 86.5359191894531 2017 82.8160781860352 2018 80.2332229614258 2019 75.9148406982422 2020 75.1429824829102 2021 69.2612762451172