Year	% (national estimate)
2004	40.00085077111672
2005	37.54365374562755
2006	37.02037081866212
2007	37.18081644191551
2008	39.780467756225846
2009	41.495308654070136
2014	42.57818636383414
2015	45.17144447285821
2016	43.97295196727646
2017	44.777849230464845
2018	42.12914919465502
2019	42.55062379872918
2020	39.67412114568705
2021	38.671841246097635