Year % (cumulative) 1982 61.7050514221191 1990 83.554328918457 2001 75.2200012207031 2003 75.2799987792969 2005 76.1600036621094 2006 76.9800033569336 2007 76.3600006103516 2008 77.0599975585938 2009 76.8300018310547 2010 77.4400024414062 2011 79.0899963378906 2012 79.6100006103516 2013 80.9199981689453 2014 82.4199981689453 2015 84.2799987792969 2016 84.0899963378906 2017 84.5299987792969 2018 84.2799987792969 2019 84.4300003051758 2020 85.25 2021 85.2099990844727 2022 85.4800033569336