Year % (national estimate) 2000 54.295 2002 39.4 2003 42.8 2004 46.4 2005 45.8 2006 46.1 2007 40.1 2008 37.7 2009 35.5 2012 36.445 2013 40.003 2014 37.121 2015 34.71 2016 38.267 2017 40.991 2018 41.071 2019 41.447 2020 38.062 2021 40.737 2022 43.85