Year % 2001 22.607614704087972 2002 21.86849545640698 2003 32.13742562387141 2004 32.44639263491118 2005 33.37854490035265 2006 34.04603042215464 2007 44.852159867051746 2008 36.510319431095674 2009 34.16051038092452 2010 33.30831239614794 2011 16.761820627257112 2012 13.450014441235126 2013 26.792472512647187 2014 29.288071416856788 2015 37.93851982636351 2016 40.463443564117505 2017 50.11468595131158 2018 52.01762699640538 2019 49.44078284594122 2020 31.240329239849444 2021 46.9269118720521 2022 39.24716230073102 2023 38.63241475138398