Year	% (national estimate)
1994	62.263
1995	60.941
1996	58.399
1997	56.629
1998	57.091
1999	59.173
2000	56.535
2001	55.599
2002	55.897
2003	54.903
2004	51.743
2005	52.405
2006	53.173
2007	54.651
2008	55.396
2009	53.414
2010	54.185
2011	55.314
2012	54.727
2013	54.251
2014	52.088
2015	51.795
2016	51.194
2017	49.803
2018	51.934
2019	52.62
2020	51.193
2021	52.15
2022	53.212
2023	53.667