Year % gross 1999 84.1689682006836 2002 94.4150924682617 2003 84.3635635375977 2004 93.8887023925781 2005 93.1321487426758 2006 96.1404266357422 2007 95.9023971557617 2008 98.2220687866211 2009 100.0595703125 2011 103.249969482422 2015 109.857276916504 2016 107.456016540527 2019 106.27294921875 2020 103.001533508301 2021 103.813346862793 2022 105.104331970215