Year % gross 1970 27.3960800170898 1971 28.9934005737305 1972 31.7588405609131 1973 32.4372291564941 1975 37.5639381408691 1998 69.400390625 1999 74.7145614624023 2000 72.7576370239258 2001 75.7862701416016 2002 80.6306991577148 2003 83.4697265625 2004 86.3809967041016 2005 87.4255523681641 2006 86.5906295776367 2007 86.0495986938477 2008 85.3683776855469 2009 83.7523803710938 2010 88.9522018432617 2011 86.1704177856445 2012 88.1365280151367 2013 89.9264221191406 2014 90.5977325439453 2015 91.7968215942383 2016 91.8639373779297 2017 90.6840209960938 2018 90.0090026855469 2019 90.0654907226562 2020 90.0048294067383 2021 91.4961090087891 2022 91.4673690795898