Year % of population 2000 90.3409728053685 2001 90.5700791978803 2002 90.7944258612984 2003 91.0140556914604 2004 91.2288949406054 2005 91.4388584180646 2006 91.6440213085547 2007 91.8383878282547 2008 92.0255056425631 2009 92.2085214862857 2010 92.3876172743286 2011 92.5627256659724 2012 92.7325546935934 2013 92.8976900393932 2014 93.0593381428571 2015 93.2173296314919 2016 93.3718128853209 2017 93.5226557756244 2018 93.6697139681182 2019 93.8129901243056 2020 93.9526610413941 2021 94.0886327672632 2022 94.2212514688695