Year	% of children ages 12-23 months
1980	9.070651356629563
1981	11.590096938830115
1982	11.641354129664846
1983	47.66945074379264
1984	58.254625415895745
1985	65.05396866239012
1986	68.90861841231708
1987	68.8166916795541
1988	84.16453133125717
1989	87.2745374938392
1990	90.01216985217013
1991	88.07223563979937
1992	85.29362712163591
1993	83.31525155623734
1994	81.81455616747554
1995	78.89958213356482
1996	81.93072437272956
1997	81.5681645191742
1998	81.85394881692004
1999	82.60940313699737
2000	83.34992199994358
2001	84.23496320593607
2002	82.52303520344266
2003	84.43376511397523
2004	85.29087158566537
2005	85.41491316894292
2006	88.97440009804767
2007	88.99176562497844
2008	91.97807441447833
2009	93.7315729224457
2010	94.03190407155903
2011	94.16745363875526
2012	95.16761515581925
2013	93.56369474503305
2014	94.63102162593228
2015	93.82255679322547
2016	94.55187440856751
2017	94.19854349411284
2018	92.98708705723784
2019	93.01166284372772
2020	91.3444982902123
2021	84.91230837267042
2022	89.78289951749811