Year	% (national estimate)
1995	48.20083484680944
1998	42.96802364356188
1999	43.74446951096479
2001	40.35211583932034
2002	40.37005329479615
2003	38.639151211710875
2004	38.98791794789786
2005	37.344463624107114
2006	37.34008400572213
2007	36.82318362327465
2008	38.63112033369535
2009	38.60718394300276
2010	38.551611759620336
2011	38.930120194238114
2012	37.5305600430107
2013	37.9207241322727
2014	37.92353624894064
2015	37.81954396701482
2016	37.471533074290555
2017	37.54437761106729
2018	37.221795182584344
2019	37.283038930891216
2020	34.56921924122782
2021	34.77195974286787
2022	34.54911107206933