Year % 2005 0.499517649324799 2006 0.420325955427002 2007 0.431596614050767 2008 0.763250457412455 2009 1.26687055816181 2010 1.19245724160614 2011 0.844688790542748 2012 0.651152891186439 2013 0.574918196148753 2014 0.517878594833065 2015 0.516596294246744 2016 0.596050944805398 2017 0.449461039885322 2018 0.505214192405336 2019 0.503405461160356 2020 0.529013916915578 2021 0.37810794618724 2022 0.336666480320049