Year % (national estimate) 1995 57.46969710675715 1997 54.197378377028265 1998 53.81510925861967 1999 52.83769856393873 2000 50.47080531538362 2001 49.74338400878495 2002 48.25285999740465 2003 48.02785588768691 2004 47.94628480049165 2005 48.223480317482505 2006 49.33586050657967 2007 50.637096031131364 2008 51.52416204209941 2009 50.65369829191987 2010 50.08293486015333 2011 50.0085152504229 2012 50.293526812024375 2013 50.41676933029338 2014 51.51871399454258 2015 52.17615910988824 2016 52.90338107673785 2017 54.170550733502395 2018 54.81931911057562 2019 55.20123041788935 2020 54.642820274637366 2021 54.64326471162607 2022 55.45444731272134 2023 55.1460527060192