Year % (national estimate) 2000 29.73 2007 38.008 2008 36.045 2009 38.753 2010 40.079 2011 42.614 2012 43.924 2013 43.774 2014 44.473 2015 43.753 2016 43.208 2017 43.543 2018 56.148 2019 59.453 2020 56.614 2021 58.232 2022 58.78