Year	% (national estimate)
2004	60.893
2005	62.825
2006	63.457
2007	64.275
2008	65.211
2009	62.077
2014	61.76
2015	62.18
2016	61.6
2017	61.35
2018	62.107
2019	59.285
2020	57.178
2021	56.867