Year	% (national estimate)
1983	38.484
1985	38.633
1987	49.935
1988	48.854
1989	49.97
1990	52.981
1991	53.645
1992	55.964
1993	54.173
1994	53.731
1995	54.495
1996	54.122
1997	56.927
1998	60.318
1999	62.707
2000	68.361
2001	70.358
2002	70.533
2003	68.723
2004	66.237
2005	59.343
2006	60.459
2007	63.062
2008	64.285
2009	62.893
2010	60.701
2011	61.275
2012	61.107
2013	60.082
2014	58.783
2015	60.763
2016	60.822
2017	62.289
2018	63.94
2019	65.295
2020	62.478
2021	71.686
2022	75.516
2023	76.478