Year	% (national estimate)
1960	37.670283999076425
1974	46.86953480237845
1975	46.364517692680565
1976	46.22093023255813
1977	46.090534979423865
1979	71.52349885224115
1980	109.45378151260503
1981	71.34933076088267
1982	72.45992527419548
1983	71.20028409090908
1985	70.68585944115158
1991	85.46840192285144
1992	86.60266430254532
1993	88.65005117950915
1994	89.45816219314166
1995	88.9349724264706
1996	87.5807924890446
1997	86.85540832409083
1998	87.692076796084
1999	89.85547175442825
2000	90.80126125510819
2001	88.7167891464104
2002	89.71225495815659
2003	90.12912383525263
2004	88.38360010586516
2005	90.12768644325435
2006	89.4659931652648
2007	89.13090829884557
2008	89.04293329324838
2009	90.85730594964858
2010	91.48337900631478
2011	91.87180566412123
2012	93.29000399404522
2013	92.79533393890136
2014	91.87613885903846
2015	92.33319038954114
2016	90.87977207977208
2017	91.02215043839408
2018	91.10435545162233
2019	91.1859333199769
2020	90.67925714562072
2021	89.38250583697742
2022	90.30041383538547
2023	88.83845261512079