Year % of population 2000 76.1109325129196 2001 76.282062482684 2002 76.4500298633269 2003 76.6149280620206 2004 76.776793746195 2005 76.935550240263 2006 77.0913506258724 2007 77.2442129854608 2008 77.6332694527041 2009 78.0199562410503 2010 78.5536898111974 2011 79.0870817293996 2012 79.6227308001921 2013 80.1611092628974 2014 80.7023073723556 2015 81.2462989509279 2016 81.7931484625215 2017 82.338083165918 2018 83.0538495696599 2019 83.781730187284 2020 84.5144217485465 2021 85.2519908254821 2022 85.9685995536329