Year	% (national estimate)
1989	78.64912045118841
2002	74.73641524736415
2004	71.98762775685853
2006	70.15523932729624
2009	69.61172741679873
2010	75.56688432720674
2011	74.53623332175982
2012	72.62839187349728
2013	70.54569871645877
2014	72.1754775890353
2015	71.82488648591901
2016	70.61520124690566
2017	67.09849670537793
2018	67.76629260291094
2019	66.88510605296831
2020	68.86799802633288
2021	67.28410096012101