Year % gross 2003 111.74047088623 2004 110.761421203613 2005 107.089302062988 2006 107.011070251465 2007 106.342277526855 2008 107.566116333008 2009 105.755638122559 2010 108.879280090332 2011 111.456573486328 2012 110.373863220215 2014 115.557830810547 2015 116.123443603516 2016 116.028373718262 2017 117.094329833984 2018 112.010162353516 2019 119.209663391113 2020 120.228446960449 2021 118.726867675781