Year % (national estimate) 2004 54.34 2007 53.309 2009 58.489 2010 58.589 2011 58.112 2012 56.225 2013 58.032 2014 57.731 2015 58.515 2016 55.605 2017 55.546 2018 55.618 2019 56.662 2020 52.24 2021 44.544 2022 43.255