Year % of population 1998 85.04 1999 85.5294647216797 2000 86 2001 86.3 2002 86.6 2003 86.9 2004 87.2 2005 87.5 2006 87.9 2007 88.2 2008 90 2009 89 2010 89.4 2011 88.8 2012 90.2 2013 90.6 2014 91 2015 91.4 2016 91.8 2017 92.2 2018 92.3 2019 93 2020 93.4 2021 93.7 2022 94.2