Year	% (national estimate)
1996	42.26
1997	43.09
1998	44.53
2000	43.014
2001	51.877
2002	46.68
2003	46.174
2004	49.864
2005	49.529
2006	50.506
2007	50.08
2008	49.595
2009	46.958
2010	45.857
2011	45.308
2012	46.46
2013	46.548
2014	45.955
2015	49.794
2016	52.396
2017	53.618
2018	52.237
2019	52.028
2020	44.721
2021	50.039
2022	51.185
2023	50.64
