Year % gross 1974 0.258240014314651 1983 1.44705998897552 1984 1.39063000679016 1985 1.56008005142212 1986 1.75820994377136 1987 1.80280995368958 1988 2.04185009002686 1989 1.97921001911163 1990 1.91857004165649 1991 1.56234002113342 1992 1.18863999843597 1993 1.11588001251221 1994 1.2504700422287 1995 1.29191994667053 1997 1.40656995773315 1998 1.45173001289368 1999 1.47698998451233 2000 1.58294999599457 2001 1.6879700422287 2002 1.76558005809784 2003 1.75418996810913 2004 1.90778005123138 2005 2.04115009307861 2006 2.43535995483398 2007 2.80426001548767 2008 3.32609009742737 2009 3.65485000610352 2010 4.22173976898193 2011 4.68264007568359 2012 17.2973499298096 2013 24.1186294555664 2014 24.6238594055176 2015 29.4370403289795 2016 44.0053596496582 2017 40.4080390930176 2018 38.4446907043457 2019 34.9844284057617 2020 33.258731842041 2021 30.118839263916