Year	% (national estimate)
1995	64.79320188874605
1997	62.2749693206588
1998	61.659894121990604
1999	60.04615645404617
2000	57.32512777675115
2001	56.34968429755427
2002	54.821698500094065
2003	54.69164494390431
2004	54.68656662031216
2005	55.37430807643411
2006	56.623397743417364
2007	58.22846728894096
2008	59.338724222579984
2009	58.030022151479535
2010	57.378746708940426
2011	57.333291072197454
2012	57.616944888375194
2013	57.79414461731855
2014	59.061908771979915
2015	59.766260823378595
2016	60.572876286312884
2017	61.9713245086886
2018	62.73462127935393
2019	63.3564083381572
2020	62.84709047641412
2021	62.35780026859619
2022	62.86401094171777
2023	62.620783928913475