Year	% (national estimate)
2005	52.43
2006	49.33
2007	50.29
2008	53.175
2009	49.141
2010	45.263
2011	43.12
2012	42.776
2013	45.194
2014	49.538
2015	50.175
2016	52.772
2017	54.224
2018	55.344
2019	56.541
2020	56.561
2021	59.301
2022	60.52