Year % of total population ages 15+ (national estimate) 2005 60.44 2006 61.8 2009 69.7 2010 68.15 2011 67.39 2012 64.36 2013 65.3 2014 62.61 2015 63.14 2018 62.603 2019 66.364 2020 67.827 2021 69.094 2022 63.094 2023 64.994