Year % gross 1993 80.2143478393555 1994 78.4670867919922 1995 78.0464172363281 1996 77.5585021972656 1997 77.0439834594727 1998 77.4016571044922 1999 77.9660797119141 2000 79.8555908203125 2001 81.1987380981445 2002 81.4050979614258 2003 82.1065826416016 2004 82.1223297119141 2005 82.3339996337891 2007 81.9530487060547 2008 81.3362274169922 2009 80.6096801757812 2010 81.1895370483398 2012 79.886100769043 2013 77.3730010986328 2014 76.0780410766602 2015 76.6975479125977 2017 77.6726379394531 2018 77.0979690551758 2019 77.2823104858398 2020 77.5403213500977 2021 80.1349792480469 2022 81.3761291503906