Year	% (national estimate)
1994	48.4
1995	47.1
1996	43.7
1997	33.5
1998	43.3
1999	45
2000	44.598
2001	50.743
2002	50.402
2003	49.03
2004	49.549
2005	51.388
2006	52.762
2007	52.217
2008	55.741
2009	52.745
2010	48.586
2011	50.614
2012	50.336
2013	50.071
2014	49.846
2015	51.18
2016	50.778
2017	50.98
2018	50.275
2019	49.352
2020	46.943
2021	45.222
2022	46.079
2023	47.525