Year	% of children ages 12-23 months
1980	52.76874938710352
1981	64.6336898080699
1982	65.55149611680734
1983	67.35846289465843
1984	73.96807866015327
1985	70.93700754886704
1986	72.96167393636395
1987	78.99597134958601
1988	79.84750503941781
1989	81.84477349885336
1990	82.9529927682709
1991	86.74940341553305
1992	86.54149634610931
1993	85.85177655649899
1994	90.33199551596434
1995	88.90066045553321
1996	91.61385011007827
1997	89.74037852892967
1998	89.64196120885845
1999	91.12024061508804
2000	91.79450839015232
2001	93.38621467957367
2002	92.76004223381949
2003	93.6103485982253
2004	94.63634930855574
2005	95.35488678226133
2006	95.73408287856174
2007	96.06021299276053
2008	95.71334099832937
2009	95.19487101520691
2010	95.16420979943136
2011	95.68315572768161
2012	95.83454506419254
2013	93.53793875280785
2014	94.08203459352414
2015	94.08100357374732
2016	94.98698786052243
2017	93.46485142385596
2018	93.9786374653938
2019	93.34882861715748
2020	91.03999540651503
2021	91.80575629973859
2022	92.80815321370495