Year	% (national estimate)
1994	57.67
1996	60.98
1997	55.67
1998	52.93
2000	58.892
2001	60.476
2002	58.086
2003	57.07
2004	50.352
2005	51.326
2006	49.061
2007	50.461
2008	49.989
2009	48.304
2010	48.096
2011	47.964
2012	48.92
2013	50.262
2014	52.319
2015	49.424
2016	48.896
2017	51.15
2018	56.306
2019	55.018
2020	52.112
2021	52.717
2022	55.877
2023	52.196