Year % (cumulative) 2003 75.8660736083984 2004 76.7282562255859 2005 77.5722503662109 2006 78.360725402832 2007 79.1705627441406 2008 79.6283721923828 2009 80.2065582275391 2010 80.5489349365234 2011 80.9646987915039 2012 81.684814453125 2013 82.21142578125 2014 83.0794372558594 2015 83.5608520507812 2016 83.9012603759766 2017 84.1470413208008 2018 84.3937606811523 2019 84.6861953735352 2020 84.9098739624023 2021 85.3120422363281 2022 85.6600875854492