Year % (national estimate) 2008 65.17381832372308 2009 62.66893517796376 2010 64.69146073245241 2012 63.36055404238641 2014 62.63138687091652 2015 62.67144048565095 2016 62.82721781005978 2017 61.46842260492565 2021 62.3581550031397