Year % gross 1995 21.1086902618408 1996 24.4633007049561 1997 36.0209999084473 1999 36.2214393615723 2000 35.2742881774902 2001 31.2040901184082 2002 29.6256694793701 2003 27.4766502380371 2004 31.5119495391846 2005 33.0711517333984 2006 34.5693893432617 2007 35.1240005493164 2008 37.9226417541504 2009 40.5857582092285 2010 40.3667411804199 2011 41.8163795471191 2012 41.4261589050293 2013 46.6509208679199 2014 51.2206192016602 2015 57.862850189209 2016 55.5238609313965 2017 56.2086906433105 2018 56.4741401672363 2019 54.5731201171875 2020 58.026611328125 2021 48.5827217102051