Year	% (national estimate)
2000	22.971
2001	21.086
2002	21.407
2003	23.103
2004	24.971
2005	23.852
2006	25.391
2007	27.128
2008	29.322
2009	27.976
2010	27.253
2011	25.053
2012	24.876
2013	23.966
2014	24.033
2015	24.016
2016	23.108
2017	26.477
2018	24.168
2019	25.012
2020	21.655
2021	20.312
2022	23.361
2023	21.247