Year % (national estimate) 2001 59.97038789752259 2002 60.24399528079202 2003 58.27592429828413 2004 58.23833403108216 2005 57.18432757113555 2006 58.50330710765464 2007 58.52873209452518 2008 57.05579961137796 2009 55.57587330302984 2011 54.78917386346936 2012 54.52619510665002 2013 53.82158718845486 2014 53.473548595474185 2015 53.22788090884511 2016 50.38806672796421 2017 49.76016890791993 2018 49.79509897256608 2019 49.952807613216784 2020 43.326694429451635 2021 48.40985944787849 2022 50.60129508807719 2023 49.102781759276326