Year	% of children ages 12-23 months
1980	0.38239179135952756
1981	0.4228256952692229
1982	0.8903293777727567
1983	54.36661067852164
1984	60.38877267480357
1985	66.03192444963778
1986	55.319739558375616
1987	67.08758525721943
1988	82.58409628627759
1989	85.27422239653953
1990	89.47115545097607
1991	85.93520463878417
1992	82.53754066210129
1993	78.74384575844842
1994	75.31059462209275
1995	77.9483395895039
1996	82.76071498413312
1997	81.90359631658067
1998	82.40151643684622
1999	83.10506558172075
2000	82.81699867218401
2001	83.4323582517787
2002	82.94134154651047
2003	83.67204519473354
2004	85.56527751473119
2005	85.6384035278108
2006	89.74279085452757
2007	89.36509979687487
2008	91.62805754646912
2009	92.9113921108766
2010	93.5734806854598
2011	93.7474883725913
2012	93.77157614988162
2013	94.76353407974972
2014	94.46949525335319
2015	94.36526495597018
2016	94.73117710752364
2017	94.53202300402776
2018	94.62716616729695
2019	93.67631004171767
2020	91.32614989376697
2021	85.59459294646696
2022	88.70886072681908