Year % of population 1996 66.9 1997 71.7715148925781 1998 73.0895843505859 1999 74.4028167724609 2000 76.8 2001 77.7 2002 79.6 2003 80 2004 80.6 2005 81.6 2006 82.6 2007 88.9 2008 86.2 2009 85.6 2010 92.4 2011 92.5 2012 92.6 2013 91.8 2014 93 2015 93.2 2016 93.4 2017 96 2018 95.1 2019 96.1 2020 97.1 2021 92.1 2022 92