Year	% (national estimate)
1992	45.757226771488725
1993	44.29879657898845
1994	43.64973606539861
1995	43.80243403197464
1996	43.23207029534299
1997	42.66545032599644
1998	42.75660488180939
1999	44.20837376049456
2000	44.71830518589653
2001	44.97735012056289
2002	45.32142399033765
2003	45.344285884697655
2004	45.93659752981384
2005	45.94656253567542
2006	46.43970457302309
2007	47.08116151251079
2008	47.90366641101048
2009	47.624536053944176
2010	47.39383601451095
2011	47.84943936803468
2012	47.954861155679524
2013	47.98377936352077
2014	48.58558672972033
2015	49.30892031879166
2016	49.4569476928156
2017	48.7549926098299
2018	48.730955870826676
2019	48.88848835974972
2020	47.43985274686892
2021	48.04868799619522
2022	50.32057071348579
2023	49.12457488836977