Year	% (national estimate)
1993	46.91
1994	47.04
1995	48.46
1996	49.791
1997	50.626
1998	50.92
1999	49.275
2000	49.617
2001	49.867
2002	50.738
2003	48.806
2004	51.538
2005	51.272
2006	51.815
2007	52.77
2008	53.745
2009	53.441
2010	52.277
2011	51.06
2012	50.476
2013	49.186
2014	50.049
2015	50.089
2016	51.209
2017	53.619
2018	54.85
2019	54.889
2020	53.981
2021	54.731
2022	55.612
2023	51.81