Year % gross 1971 33.8285598754883 1998 71.3274536132812 1999 76.7627410888672 2000 75.2952423095703 2001 78.269416809082 2002 83.1048202514648 2003 86.035270690918 2004 88.856689453125 2005 89.4979705810547 2006 88.1669921875 2007 87.1571884155273 2008 86.0723571777344 2009 83.9497985839844 2010 89.1502838134766 2011 85.9940872192383 2012 88.2265167236328 2013 90.1075210571289 2014 90.9245223999023 2015 92.4220123291016 2016 92.6977615356445 2017 91.5846710205078 2018 90.9027786254883 2019 90.8398208618164 2020 90.4565277099609 2021 91.6369400024414 2022 91.4234771728516