Year % of population 2000 76.4029236510873 2001 76.99916119254576 2002 77.61559646780249 2003 78.23659908011997 2004 78.8529904865847 2005 79.42534211036039 2006 80.02637834684568 2007 80.62457353379024 2008 81.21893470180837 2009 81.81303523488077 2010 82.40882889618617 2011 83.00398916898492 2012 83.59627774650288 2013 84.18933216358859 2014 84.78261033851888 2015 85.37054462460833 2016 85.95494406095058 2017 86.53660598363128 2018 87.1392521713986 2019 87.71498011251175 2020 88.27653134189248 2021 88.83378694822287 2022 89.36898903206927