Year	% of children ages 12-23 months
1980	14.365999733818375
1981	18.61984858495164
1982	11.987235126216271
1983	27.26128095431409
1984	23.607612930937503
1985	41.841948130277444
1986	48.21416348688093
1987	59.55279177548093
1988	66.66877694949937
1989	72.25312284396674
1990	77.90630852324645
1991	81.15828446342188
1992	81.50779153397502
1993	81.66717683594202
1994	78.74274080264586
1995	80.67226308495896
1996	86.57580182667799
1997	75.59417261747333
1998	77.00959224156932
1999	83.90089263662986
2000	83.5024251974049
2001	81.14232861615967
2002	81.91478082525116
2003	79.7046965918537
2004	76.66980774531422
2005	82.28618992596397
2006	84.53511392555899
2007	85.86946121905821
2008	78.40973024167754
2009	78.44601876036995
2010	81.95827178130226
2011	84.07644073097
2012	89.05127531106119
2013	86.88818530244959
2014	87.9535032248908
2015	83.56734687480409
2016	86.3584439352109
2017	86.64636451332083
2018	85.03456023208331
2019	88.13668586093004
2020	84.45403930650508
2021	75.55660714427498
2022	88.11511814527022