Year	% (national estimate)
1994	38.2
1995	37.8
1996	34.8
1997	27.7
1998	34
1999	36.8
2000	35.587
2001	44.08
2002	42.834
2003	41.511
2004	41.593
2005	43.376
2006	44.896
2007	44.43
2008	48.044
2009	46.15
2010	41.613
2011	44.139
2012	43.767
2013	43.829
2014	43.413
2015	44.5
2016	44.04
2017	44.674
2018	44.053
2019	43.431
2020	41.387
2021	39.718
2022	40.521
2023	42.147