Year	% (national estimate)
1994	51.717
1995	51.989
1996	53.336
1997	52.576
1998	51.691
1999	49.68
2000	48.546
2001	48.64
2002	48.715
2003	49.584
2004	49.12
2005	49.802
2006	51.231
2007	52.294
2008	53.673
2009	51.799
2010	50.522
2011	50.772
2012	50.945
2013	50.861
2014	52.817
2015	52.816
2016	54.261
2017	55.086
2018	55.9
2019	56.256
2020	55.069
2021	56.347
2022	57.755
2023	58.022