Year	% (national estimate)
2004	72.75541795665636
2005	70.7936507936508
2006	70.7536183663284
2007	71.70127260549229
2008	71.89167688687063
2009	71.72295363480251
2010	70.33919688558863
2011	68.358644019001
2012	68.68935086366164
2013	70.8187421207452
2014	72.24768373503908
2015	72.06691868948137
2016	73.54988023564447
2017	74.4100816562721
2018	74.27262459634443
2019	75.09566936666879
2020	75.08515893644156
2021	76.10285119921684
2022	77.10706667271819