Year % gross 2000 104.049652099609 2001 103.153511047363 2002 102.42749786377 2003 101.766296386719 2004 102.739219665527 2005 104.204238891602 2006 103.812492370605 2007 102.180389404297 2008 100.439140319824 2009 96.6467437744141 2010 94.459098815918 2011 100.805923461914 2012 100.904792785645 2013 101.604827880859 2014 102.185791015625 2015 102.182189941406 2016 101.108200073242 2017 100.722412109375 2018 100.457550048828 2019 99.6345596313477 2020 98.0834732055664 2021 96.8267211914062 2022 89.1468811035156