Year % (national estimate) 2001 52.145 2002 51.36 2003 52.615 2004 50.538 2005 51.191 2007 47.863 2008 47.118 2009 50.023 2010 49.532 2011 51.584 2012 52.907 2013 51.988 2014 51.466 2015 52.214 2016 49.465 2017 48.594 2018 47.331 2019 45.001 2020 42.854 2021 45.206 2022 42.672 2023 43.12