Year	% (national estimate)
2005	41.598
2006	39.576
2007	38.402
2008	35.963
2009	35.513
2010	33.567
2011	32.276
2012	32.773
2013	33.352
2014	31.584
2015	30.926
2016	30.635
2017	31.997
2018	31.61
2019	31.11
2020	28.336
2021	27.593
2022	28.676