Year	% (national estimate)
1996	55.69
1997	52.83
1998	52.676
1999	53.013
2000	50.657
2001	49.107
2002	50.853
2003	52.453
2004	51.043
2005	51.598
2006	52.059
2007	53.184
2008	52.564
2009	48.754
2010	46.695
2011	48.558
2012	50.014
2013	51.173
2014	52.624
2015	53.762
2016	55.587
2017	56.315
2018	57.765
2019	58.204
2020	57.3
2021	57.86
2022	59.142
2023	58.799