Year	% (national estimate)
1989	57.57437966879908
1992	56.99691999157068
1993	54.88705499038572
1994	54.00547785826349
1995	52.32275813396452
1996	51.55987701747358
1997	49.675578685395024
1998	49.474807781012544
1999	50.42382481434856
2000	49.72796859864368
2001	48.32638076214249
2002	48.003630306743794
2003	46.75044824687423
2004	47.31208737540525
2005	46.553789692043395
2006	46.39983732664843
2007	46.22122212778212
2008	47.254915817396096
2009	46.54560016304177
2010	46.204452938630446
2011	46.38348184991871
2012	45.633705602993935
2013	45.78957587718113
2014	45.498521148411434
2015	45.11838097545175
2016	44.679585978603974
2017	44.689078750000334
2018	44.73091171661996
2019	44.47761149411801
2020	42.576599035682236
2021	43.06053936173003
2022	44.239864179774926
2023	45.04043303620496