Year	% (national estimate)
1994	61.43
1995	68.8
1996	65.27
1997	59.42
1998	56.97
2000	59.416
2001	64.31
2002	60.341
2003	60.036
2004	55.336
2005	53.614
2006	53.035
2007	54.074
2008	52.697
2009	51.555
2010	50.938
2011	51.908
2012	51.707
2013	53.489
2014	52.895
2015	51.632
2016	51.751
2017	52.907
2018	55.99
2019	55.896
2020	53.931
2021	53.694
2022	56.547
2023	54.829