Year % of total population ages 15+ (national estimate) 2004 55.5 2005 53.49 2006 51.04 2007 50.99 2008 51.471 2009 49.113 2010 46.924 2011 46.442 2012 46.699 2013 48.47 2014 51.942 2015 51.589 2016 53.327 2017 53.97 2018 54.491 2019 54.632 2020 53.956 2021 57.289 2022 58.262