Year	% (national estimate)
2006	43.95
2007	38.06
2008	37.472
2009	32.951
2010	33.958
2011	35.442
2012	36.605
2013	34.034
2014	35.263
2015	35.434
2016	36.786
2017	36.833
2018	36.302
2019	36.192
2020	35.084
2021	41.259
2022	39.208