Year % of population 1995 60.8 1996 67.6799392700195 1997 68.9040756225586 1998 70.1241302490234 1999 70.9 2000 73.3 2001 73.7 2002 78.7 2003 78.5 2004 77.2 2005 78.3 2006 83.7 2007 80.7 2008 81.9 2009 83.1 2010 84.3 2011 84 2012 86.8 2013 88.1 2014 85.5 2015 90.5 2016 91.8 2017 93.3 2018 94.2 2019 95.4 2020 96.6 2021 97.9 2022 99.1