Year	% (national estimate)
1994	59.162
1995	58.091
1996	55.535
1997	53.988
1998	54.155
1999	54.905
2000	52.541
2001	51.389
2002	51.753
2003	50.628
2004	49.61
2005	50.595
2006	51.118
2007	52.772
2008	53.492
2009	52.099
2010	51.677
2011	52.681
2012	52.588
2013	52.099
2014	51.073
2015	50.325
2016	50.185
2017	49.454
2018	50.461
2019	50.605
2020	49.811
2021	48.994
2022	50.769
2023	51.795