Year % of total population ages 15+ (national estimate) 1991 56.74 1998 38.9 2000 50.738 2001 49.678 2002 54.866 2003 54.045 2004 55.479 2005 54.227 2006 53.901 2007 57.618 2008 58.036 2009 58.203 2010 57.774 2011 57.049 2012 56.715 2013 56.345 2014 58.247 2015 58.805 2016 57.36 2017 57.811 2018 57.387 2019 57.4 2020 57.4 2021 58.407 2022 59.066 2023 52.263