Year % of population 2000 97.9731037869072 2001 98.0125082381901 2002 98.051912689473 2003 98.0913171407559 2004 98.1307215920388 2005 98.1701260433217 2006 98.2095304946046 2007 98.2489349458875 2008 98.2883393971704 2009 98.3277438484533 2010 98.3671482997362 2011 98.4065527510191 2012 98.445957202302 2013 98.4853616535849 2014 98.5247661048679 2015 98.5641705561508 2016 98.6035750074337 2017 98.6429794587166 2018 98.6823839099995 2019 98.7217883612824 2020 98.7611928125653 2021 98.8005972638482 2022 98.8400017151311