Year	% (national estimate)
1993	49.99
1996	47.27
1997	46.9
1998	46.56
1999	46.19
2000	68.424
2001	67.272
2002	66.175
2003	65.153
2004	64.278
2005	63.475
2006	62.71
2007	62.15
2008	61.59
2009	61.32
2010	61.6
2011	60.9
2012	61.2
2013	61.4
2014	61.9
2015	62.1
2016	62.7
2017	62.9
2018	63
2019	62.453
2020	61.036
2021	61.855
2022	62