Year	% (national estimate)
1991	32.59089012378611
1994	28.97561383741488
2000	30.007928825769277
2001	32.13711717583385
2005	29.748969615484
2010	24.66616187113623
2012	23.069718394412323
2018	18.720961829750383
2019	20.471217856006884
2020	19.555053053649907
2021	21.399972043928887
2022	20.346827290905274