Year	% (national estimate)
1998	51.82
2000	46.3
2002	34.71
2003	52.475
2004	55.32
2005	54.3
2006	51.693
2007	51.7
2008	51.272
2009	50.531
2010	51.058
2011	52.595
2012	53.715
2013	51.596
2014	52.097
2015	51.728
2016	49.804
2017	50.902
2018	49.636
2019	51.405
2020	50.42
2021	47.718
2022	50.621
