Year	% of children ages 12-23 months
1980	43.91800029647086
1981	50.99816849495939
1982	53.40733805251026
1983	56.650959169628386
1984	60.71015817516194
1985	69.24839401892103
1986	70.52436888612723
1987	70.17631024698954
1988	78.75039247562087
1989	81.56973040651168
1990	82.15101805789726
1991	82.93652735432067
1992	82.17221516290167
1993	82.24276884433988
1994	86.26610174877212
1995	86.97598061828612
1996	88.6921723948141
1997	88.37710117437405
1998	88.96757694198732
1999	89.61475646297994
2000	91.11372615452554
2001	91.92687442833508
2002	91.75788958692472
2003	91.68812554809445
2004	92.27604499473304
2005	92.90924219172189
2006	93.83204179540519
2007	93.60584542772293
2008	93.56789038402734
2009	93.0141790646498
2010	93.30029281459564
2011	93.87521117915153
2012	94.27640665971904
2013	93.15831312411876
2014	94.16445760675452
2015	94.29453319583997
2016	94.11743676343947
2017	91.23625920494278
2018	94.37974404452638
2019	90.82476988569226
2020	92.86200135122222
2021	93.55044053845407
2022	91.9594712029091