Year	% (national estimate)
2002	69.65689055469986
2003	69.46496037949899
2004	70.58548328094373
2005	67.33522066578112
2006	68.81493806683541
2007	64.73915931768268
2008	67.70614705582486
2009	68.20417086623121
2011	67.84885510413177
2012	67.92536908933586
2014	67.86466792623989
2015	70.70370944321128
2016	69.4182074724083
2017	69.93853983534376
2018	66.9783797051369
2019	68.31937419447011
2020	65.35077018034232
2021	64.97244627583937