Year	% of children ages 12-23 months
1980	44.87506313886998
1981	61.413639084914855
1982	63.201117417820306
1983	63.70308534424298
1984	74.22429796593738
1985	76.62053977534698
1986	80.35210854409554
1987	77.0679008294391
1988	77.08639200231332
1989	79.33945670800394
1990	88.52168432531111
1991	90.94440751403103
1992	91.26631440015126
1993	86.2910603169039
1994	90.77152664817169
1995	91.81500946794726
1996	93.09970876045855
1997	93.81951145037476
1998	93.97453885329033
1999	95.67679026756186
2000	93.84506927704356
2001	95.34219998048046
2002	95.61216735823261
2003	96.76831243975003
2004	96.36301471794559
2005	96.33018454708868
2006	96.97080866476362
2007	96.91614401030739
2008	96.93635559256406
2009	96.59926190831867
2010	96.93134499140459
2011	96.61270899293586
2012	96.86973917035492
2013	96.49851212503427
2014	96.11329152460307
2015	95.33121539155226
2016	94.70784717219568
2017	94.0770421565377
2018	94.13109493897879
2019	94.32264999874045
2020	93.44895175515857
2021	93.13692820051439
2022	93.04235231076716