Year % of population 2000 97.8027224566011 2001 97.7993190131004 2002 97.8486441734466 2003 97.8995621226117 2004 97.9543592991945 2005 98.008884088551 2006 98.0601767778274 2007 98.1108519087607 2008 98.1617324380163 2009 98.2136201520075 2010 98.266358440359 2011 98.3190303591245 2012 98.3716321139667 2013 98.4241537968664 2014 98.4765906084133 2015 98.5289621895309 2016 98.5813642330942 2017 98.6337529130144 2018 98.6860670993294 2019 98.7382545669579 2020 98.7902639963924 2021 98.8420437979057 2022 98.8935273885372