Year % (national estimate) 1982 60.07747094839435 1987 85.89028660355336 1997 85.11147499685097 1999 82.07151037027612 2004 87.72366930917327 2011 87.94115309956523 2012 75.69046378322042 2014 89.7162724142557 2019 84.43377851975515 2021 83.83131486680915 2022 83.35148114024067