Year	% (national estimate)
1991	66.71046868155935
1994	53.80911922967997
1996	64.12361899074351
1997	61.954887218045116
1998	62.61127596439169
1999	62.35491753207085
2000	64.75155279503106
2001	69.35975609756098
2002	65.10678391959799
2003	66.17355497941132
2005	66.41157386566492
2006	63.80293783924682
2007	64.78664753417416
2008	62.977048404042804
2009	62.723454424876564
2010	61.88192492144865
2011	64.58156598353946
2012	63.92024803809579
2013	66.1416854867467
2014	64.85248116546487
2015	64.33932933599822
2016	62.56169974509718
2017	63.659166468772256
2018	64.4044425126276
2019	68.10743399440321
2020	67.55213543670644
2021	66.11397690985017
2022	66.45622300745976