Year % gross 2003 103.171249389648 2004 103.859649658203 2005 99.6525421142578 2006 99.6570587158203 2007 99.5893173217773 2008 100.202980041504 2009 97.8465728759766 2010 100 2011 101.0673828125 2012 101.465690612793 2014 103.274223327637 2015 101.72176361084 2016 101.906776428223 2017 105.065116882324 2018 101.641143798828 2019 110.007469177246 2020 110.204078674316 2021 109.090911865234