Year	% of children ages 12-23 months
1980	68.84780720831353
1981	69.40325251876409
1982	69.03330547727042
1983	69.88202678882014
1984	71.17180453272839
1985	95.22114161967316
1986	94.17983046469806
1987	95.48355052818395
1988	96.6038837294262
1989	96.61881580644949
1990	96.61844569973026
1991	96.71622375209805
1992	93.2600766193998
1993	88.44792059336028
1994	95.79268034847705
1995	96.28967014932144
1996	96.72298765211055
1997	96.82312379151958
1998	97.03562589703743
1999	97.16851542573635
2000	97.46668761115919
2001	97.64797176734099
2002	97.79911710084629
2003	97.67923089671812
2004	97.78273310855762
2005	97.79667791686163
2006	97.78917564113897
2007	97.68176217308178
2008	97.72695348426714
2009	97.52309638362703
2010	97.25184123956674
2011	96.24082911954916
2012	96.63388385376646
2013	96.67969033999755
2014	95.97538234049081
2015	95.15064010090744
2016	95.12415387123222
2017	92.95083005511258
2018	93.41751414204755
2019	94.05879391892688
2020	91.88582784826227
2021	90.87538840109053
2022	90.79190417344704
