Year	% (national estimate)
1992	41.42049700843991
1993	44.41393567670772
1995	40.97552353656346
1996	40.240286981662805
1997	42.17211574998382
1998	42.2656689100763
1999	42.85197681112224
2001	43.84370684046916
2002	44.15785308294907
2003	44.189903433800716
2004	45.366070339165276
2005	45.95540921738604
2006	47.11958661186984
2007	46.63963804504819
2008	47.331983510482964
2009	47.35095177759706
2011	47.00450393519139
2012	47.141349041041316
2013	47.16133501247743
2014	46.95910629578893
2015	47.075930589405154
2016	46.498716360348645
2017	46.654403778215205
2018	46.92990817454885
2019	47.43726775968839
2020	42.47063999500421
2021	45.01174519357262
2022	47.50382602234743
2023	47.87261729690645