Year	% (national estimate)
2001	49.142
2003	48.254
2004	49.908
2005	48.621
2006	47.572
2007	47.354
2008	46.642
2009	46.593
2010	46.074
2011	48.332
2012	47.861
2013	47.218
2014	47.654
2015	45.547
2016	45.823
2017	43.119
2018	41.201
2019	39.569
2020	34.427
2021	35.516
2022	37.18