Year	% of children ages 12-23 months
1980	13.577024729048961
1981	15.288949379244423
1982	16.531678205782754
1983	48.498980246640784
1984	59.39713426510382
1985	65.09493316775604
1986	67.66685727711543
1987	69.0991843016323
1988	82.57152013698153
1989	82.89203488868482
1990	85.91942307341785
1991	86.54558479808868
1992	84.7258085962817
1993	83.42963881768532
1994	82.80127861549252
1995	81.10056398166786
1996	82.69332753900329
1997	83.87433713256064
1998	85.0227604711975
1999	85.73104921760283
2000	86.53527847952131
2001	86.84464980762314
2002	86.15728634882082
2003	86.04683093577367
2004	87.14958016803074
2005	87.44791947034591
2006	90.37035680181756
2007	90.67978589893839
2008	92.95038405979747
2009	93.7736389871675
2010	93.70064074680015
2011	93.72351347914403
2012	94.47315082017539
2013	94.62806407105131
2014	93.27749732256042
2015	92.91943689084057
2016	92.74297608776479
2017	92.70800865779957
2018	93.43391095144257
2019	91.7246289399508
2020	88.93090965249787
2021	87.04269190578695
2022	90.47926923461254