Year	% (national estimate)
2001	30.588
2006	33.093
2007	33.061
2008	32.854
2009	32.269
2010	32.686
2011	31.202
2012	29.245
2013	28.117
2014	29.004
2015	32.103
2016	30.207
2017	32.189
2018	32.114
2019	34.879
2020	33.182
2021	32.84
2022	29.229
2023	25.96