Year	% (national estimate)
2000	34.7
2001	33.8
2002	32
2003	32.1
2004	33.5
2005	32.4
2006	32.2
2007	32.9
2008	33.3
2011	28.8
2012	28.2
2017	30.341
2018	26.072
2019	25.832
2020	22.424
2021	21.428
2022	21.719