Year	% (national estimate)
1998	55.93
2000	51.1
2002	35.8
2003	56.04
2004	56.5
2005	55.98
2006	55.648
2007	55.6
2008	55.146
2009	55.044
2010	55.475
2011	57.701
2012	58.299
2013	56.971
2014	57.208
2015	56.909
2016	54.477
2017	55.77
2018	56.275
2019	57.113
2020	56.863
2021	54.124
2022	56.782