Year % of total population ages 15+ (national estimate) 1991 60.58 1993 52.48 1994 57.44 1995 58.67 1996 59.197 1997 59.914 1998 60.886 1999 59.297 2000 58.887 2001 59.175 2002 59.821 2003 58.211 2004 60.737 2005 61.04 2006 61.317 2007 61.8 2008 61.774 2009 61.861 2010 61.583 2011 60.501 2012 60.263 2013 60.185 2014 60.732 2015 60.499 2016 59.914 2017 61.786 2018 62.435 2019 61.87 2020 61.159 2021 61.742 2022 62.32 2023 58.525