Year	% (national estimate)
1983	49.271
1984	49.656
1985	50.277
1986	50.356
1987	51.034
1988	50.03
1989	50.243
1990	49.259
1991	51.081
1992	52.475
1993	51.507
1994	50.859
1995	49.316
1996	49.285
1997	49.901
1998	49.932
1999	51.108
2000	52.159
2001	52.843
2002	53.329
2003	52.184
2004	52.192
2005	53.062
2006	52.406
2007	53.657
2008	53.177
2009	55.058
2010	55.111
2011	54.586
2012	55.823
2013	55.728
2014	56.176
2015	56.43
2016	55.867
2017	56.022
2018	56.542
2019	57.249
2020	56.677
2021	58.745
2022	58.732
2023	59.017