Year	% (national estimate)
2004	49.483521943074415
2005	48.50587488155279
2006	48.06261997105539
2007	48.33884318471994
2008	49.81875381236589
2009	52.032208765276245
2010	53.30114439624462
2011	54.126664911146946
2012	54.15862595808428
2013	54.526587942439704
2014	53.87273701036487
2015	55.476289020185064
2016	54.479868162100836
2017	55.297705984907886
2018	55.56837093780809
2019	54.070333600657136
2020	50.55251023620184
2021	49.71165505890674