Year	% (national estimate)
2001	30.101
2003	29.063
2004	29.041
2005	29.49
2006	28.97
2007	28.845
2008	27.676
2009	28.119
2010	28.227
2011	29.294
2012	28.979
2013	28.398
2014	29.067
2015	28.22
2016	27.499
2017	25.05
2018	24.957
2019	24.764
2020	21.284
2021	21.199
2022	23.092