Year % gross 1993 80.5890808105469 1994 84.5932693481445 1995 85.3871383666992 1996 87.0481719970703 1997 88.2435684204102 1998 91.5571975708008 1999 92.8859100341797 2001 101.079147338867 2002 100.244598388672 2003 100.523178100586 2005 99.859001159668 2006 99.1365966796875 2007 98.6862487792969 2008 97.76708984375 2009 97.7482528686523 2010 97.9556503295898 2011 97.7716522216797 2012 98.6369094848633 2013 98.3333129882812 2014 98.3879089355469 2015 99.0051727294922 2016 98.1667175292969 2017 98.07666015625 2018 97.1191177368164 2019 96.8114395141602 2020 96.3498611450195 2021 96.0697937011719