Year % (cumulative) 2004 61.0686416625977 2005 62.3096694946289 2006 64.1658172607422 2007 66.5356597900391 2008 67.7817916870117 2009 67.0069580078125 2010 68.6781005859375 2011 70.7226867675781 2012 71.5040969848633 2013 72.2660903930664 2014 71.0998687744141 2015 70.8641662597656 2016 72.7717514038086 2017 73.8501205444336 2018 74.390022277832 2019 74.2223052978516 2020 75.6495819091797 2021 77.4249954223633 2022 78.3298263549805