Year	% (national estimate)
1992	41.29802944487649
1993	44.256570494403256
1995	40.866250195874365
1996	40.1556884730146
1997	42.076792784770696
1998	42.17448144321421
1999	42.7559869982972
2001	43.86018117775741
2002	44.06268373216596
2003	44.08514908741805
2004	45.04823558289611
2005	45.85454092371211
2006	46.791404731818496
2007	46.38798215536432
2008	47.233678894925696
2009	47.22778315242563
2011	46.736006959482445
2012	47.20055845493035
2013	47.34559703330489
2014	46.96254973379091
2015	46.93817087267308
2016	46.498716360348645
2017	46.654403778215205
2018	46.92904267371418
2019	47.43726775968839
2020	42.47080373749929
2021	45.01174519357262
2022	47.50382602234744
2023	47.87261729690644