Year	% of children ages 12-23 months
1980	25.109012440630284
1981	25.406755669780505
1982	32.392052716095
1983	33.76817086148916
1984	41.71087488223685
1985	60.82663026922449
1986	67.11610243429548
1987	68.86359629156644
1988	80.8476288443082
1989	83.99835681965655
1990	87.42089680507586
1991	80.30103441950575
1992	83.55213145536514
1993	84.3914015872743
1994	81.97372529763575
1995	85.12142001912505
1996	86.4020025573619
1997	85.20997666142777
1998	88.11223157232467
1999	89.3789651310058
2000	90.47887426220046
2001	90.34277049248143
2002	88.84111177030964
2003	88.22061054346963
2004	89.20212294724853
2005	88.66497286869101
2006	88.95544217236525
2007	89.04899119134778
2008	90.19565367567989
2009	91.37252149986556
2010	90.92550727427506
2011	90.23657990092072
2012	86.14926071095006
2013	87.8415255168639
2014	87.66733647952213
2015	86.62601873502315
2016	87.90692498941013
2017	88.99401822696828
2018	89.13206468678926
2019	89.39041184738178
2020	86.26490529911437
2021	86.37149802579417
2022	88.35131617979195