Year	% of children ages 12-23 months
1980	22.528157781665158
1981	25.373197004726556
1982	31.11612840046329
1983	29.20282444171025
1984	33.54268210237057
1985	58.89080717442434
1986	62.1846524535677
1987	64.69009329242392
1988	77.29075898003174
1989	79.56283597550882
1990	82.45538575701389
1991	81.24114475999326
1992	83.43410150758613
1993	83.73142698686691
1994	83.19100229135266
1995	84.18038469614967
1996	86.55376188040735
1997	85.87631432080141
1998	90.17832073197918
1999	89.99817555283347
2000	89.92152545812284
2001	89.04011049673096
2002	87.64046978331366
2003	87.35181600289218
2004	87.49159276235609
2005	87.56511166484133
2006	87.42086034041431
2007	87.9281554579065
2008	87.63919601303903
2009	89.62379912828463
2010	89.85127858780281
2011	90.21834238761271
2012	86.79581571337403
2013	88.07858627354462
2014	86.82293014001044
2015	86.95956509410522
2016	89.7528862275449
2017	88.76572883536353
2018	87.71033400086135
2019	87.804898877528
2020	85.86985866958881
2021	86.03716885913967
2022	86.97206544405822