Year	% of children ages 12-23 months
1980	5.6863145653812195
1981	6.242266084636976
1982	6.241884328320756
1983	45.57463342154938
1984	56.624366813265354
1985	64.08405834283917
1986	68.1507241218389
1987	68.12029186703418
1988	84.54383884433807
1989	87.11785478401684
1990	90.19349333368646
1991	87.98736787348209
1992	85.16483477245504
1993	82.99334892559793
1994	81.61204719745595
1995	78.71573388902259
1996	81.43978671654642
1997	82.71288499066625
1998	82.85226906556315
1999	83.0244070672094
2000	83.26167707407909
2001	83.70248180151482
2002	81.77680248536979
2003	83.77045887819357
2004	84.76219690323111
2005	84.71847148851008
2006	88.43251809069122
2007	88.53260047173072
2008	91.71162092039458
2009	93.62748602897143
2010	93.95407480677218
2011	94.00632184555816
2012	95.06676793604147
2013	93.4253237754129
2014	94.5638491093276
2015	93.67226748739832
2016	94.34186944450265
2017	93.95420008095378
2018	92.69101184431031
2019	92.7191300747802
2020	90.98088252971486
2021	84.72184048747175
2022	90.61641099100258