Year % (cumulative) 2004 26.7310104370117 2005 27.5838298797607 2006 28.202579498291 2007 28.8691291809082 2008 29.8812999725342 2009 30.4304790496826 2010 31.1791801452637 2011 32.2336616516113 2012 36.5555419921875 2013 37.5405082702637 2014 35.7232704162598 2015 36.518871307373 2016 37.232780456543 2017 38.0324516296387 2018 41.315315246582 2019 39.2325706481934 2020 42.6541557312012 2021 40.4976425170898 2022 42.0882186889648