Year	% (national estimate)
1990	34.753
1991	34.332
1992	35.723
1993	38.91
1994	43.591
1995	45.07
1996	45.81
1997	44.125
1998	41.91
1999	42.999
2000	44.849
2001	43.804
2002	39.718
2003	39.808
2004	40.775
2005	43.398
2006	43.133
2007	43.408
2008	44.139
2009	43.924
2010	43.775
2011	42.464
2012	43.669
2013	44.295
2014	44.345
2015	44.504
2016	44.879
2017	45.566
2018	45.251
2019	44.745
2020	41.143
2021	42.005
2022	44.194