Year	% (national estimate)
1995	33.57
1996	33.5
1997	33.8
1998	34.9
1999	35.1
2001	32.503
2002	33.922
2003	37.854
2004	34.964
2005	34.986
2006	35.327
2007	34.907
2008	36.421
2009	36.959
2010	37.985
2011	37.606
2012	37.891
2013	39.833
2014	40.168
2015	41.246
2016	40.434
2017	40.806
2018	40.889
2019	41.487
2020	52.351
2021	36.861
2022	38.633