Year	% of children ages 12-23 months
1980	66.88790362952291
1981	67.79192074429048
1982	67.1462547043127
1983	91.90776617823516
1984	92.80925945236582
1985	92.31779163267453
1986	90.43163923696281
1987	93.87928476585694
1988	90.81665309478777
1989	94.29504556020353
1990	94.89050120292069
1991	94.35974605237578
1992	92.10703676227888
1993	88.52978351107988
1994	94.2568407779825
1995	94.9627838528132
1996	96.10965702548636
1997	96.28983727923918
1998	96.55662931909222
1999	97.16421974540839
2000	96.6852629472213
2001	96.8493045098706
2002	97.49120723669974
2003	97.06697079356516
2004	97.0973541573045
2005	97.43750654709469
2006	97.37731268378519
2007	97.5657630749416
2008	97.27434992242733
2009	97.21978090864926
2010	97.1557730668953
2011	96.53009256373218
2012	96.57609633490405
2013	96.34531858211209
2014	95.18122968391374
2015	94.07436926731897
2016	93.70886795987533
2017	93.0956741913455
2018	93.4002955747738
2019	93.17144223993891
2020	87.50659455969004
2021	84.20511236067676
2022	83.30595196437092