Year	% (national estimate)
1993	51.42
1994	52.33
1996	46.6
1998	45.678
1999	44.868
2001	48.785
2002	45.764
2003	47.428
2004	52.258
2005	52.271
2006	47.84
2007	50.694
2008	50.659
2009	51.522
2010	49.824
2011	51.206
2012	56.654
2013	55.026
2014	50.976
2015	52.407
2016	52.737
2017	53.394
2018	54.991
2019	55.35
2020	51.571
2021	54.233
2022	54.196
2023	54.822