Year % gross 2002 6.9415397644043 2003 7.28962993621826 2004 7.58003997802734 2005 8.2114200592041 2006 10.1428604125977 2008 13.75 2012 16.713249206543 2013 18.2079296112061 2014 16.6471996307373 2015 17.3261394500732 2016 17.9131507873535 2017 17.391300201416 2018 16.727840423584 2019 16.4042701721191 2020 15.6555795669556 2021 16.6346206665039 2022 35.1416206359863