Year	% of children ages 12-23 months
1980	10.619985594665835
1981	12.698905598398321
1982	12.563820670355732
1983	65.9696360465984
1984	71.34631903734666
1985	75.01004251018348
1986	61.284096101725815
1987	72.0681824570812
1988	86.51723221983517
1989	88.30752920048464
1990	93.33129627574725
1991	89.97091102137941
1992	86.35549034597787
1993	83.32752025848531
1994	79.1473324469277
1995	83.81239076328221
1996	85.3994885729852
1997	86.8170218701584
1998	86.71934381356198
1999	87.99248224299731
2000	88.68994433522867
2001	89.58003385461052
2002	89.21941972298741
2003	89.12352439524972
2004	90.07957724186204
2005	90.33549627786911
2006	94.31706363515785
2007	94.48374055911933
2008	96.7288667581273
2009	98.16346695772043
2010	98.13559998847865
2011	98.02593513417128
2012	98.16483589582867
2013	98.22653117822725
2014	98.02375337983821
2015	97.95570582293662
2016	97.87432037555547
2017	97.05500246936637
2018	97.55374618852197
2019	97.30447987934943
2020	95.20855378669106
2021	92.93717707593571
2022	92.90060374982232