Year % (national estimate) 2001 59.97038789752259 2002 60.243995280792014 2003 58.27592429828413 2004 58.23833403108216 2005 57.18432757113555 2006 58.50367344218312 2007 58.52972986206163 2008 57.056264546576905 2009 55.57587330302984 2011 54.97253828567053 2012 54.688280008617475 2013 53.822772782665886 2014 53.47470115326952 2015 53.22869454456088 2016 50.3880667279642 2017 49.76016890791992 2018 49.80168757775341 2019 49.952807613216784 2020 43.332532386528435 2021 48.40985944787849 2022 50.60129508807719 2023 49.102781759276326