Year % gross 2000 103.642700195312 2001 103.068199157715 2002 102.280891418457 2003 101.896522521973 2004 102.76830291748 2005 104.378120422363 2006 103.730140686035 2007 102.011840820312 2008 100.328330993652 2009 96.2590408325195 2010 94.2475509643555 2011 100.906463623047 2012 100.841926574707 2013 101.617706298828 2014 102.427543640137 2015 102.100143432617 2016 101.154602050781 2017 100.783897399902 2018 100.53678894043 2019 99.4658737182617 2020 97.9323577880859 2021 97.0555114746094 2022 89.4754028320312