Year	% (national estimate)
2000	67.2768975178095
2001	68.37655941698193
2002	68.18313810373195
2003	67.74350920272798
2004	67.06127324921158
2005	65.95773251312609
2006	65.94765291464087
2007	65.56463998356915
2008	65.36426618837437
2009	64.63353676599382
2010	63.79883417549177
2011	63.67674338752218
2012	63.75877276937453
2013	63.878911179490565
2014	63.012668706010736
2015	63.38687201405174
2016	62.735421931591574
2017	62.53217831614855
2018	63.15022573009193
2019	62.968553041589026