Year	% of children ages 12-23 months
1980	6.190772613128385
1981	6.755459789447624
1982	6.737812377365115
1983	45.643938396256644
1984	56.73752705809731
1985	63.98167965763305
1986	68.07125847302665
1987	68.31386649470257
1988	84.56951730505718
1989	87.22163841537377
1990	90.27663887951705
1991	88.0828231520653
1992	85.2206132198801
1993	83.08443950099212
1994	81.54920066916068
1995	78.50880162353806
1996	80.99534019726846
1997	82.06168189873006
1998	82.28297775861232
1999	82.55389493735318
2000	82.87449751289044
2001	83.4039815068425
2002	81.53851885642949
2003	83.5605893444321
2004	84.5960400501596
2005	84.64542894106746
2006	88.43962722154613
2007	88.57402007845958
2008	91.71489991661785
2009	93.62068894832838
2010	93.94356715497003
2011	94.00628266476646
2012	95.07668421886376
2013	93.42098887404816
2014	94.54751959328921
2015	93.69748091319364
2016	94.36033954307223
2017	93.9889217607112
2018	92.73965250841937
2019	92.77003475550462
2020	91.05798857055707
2021	84.12391000462952
2022	89.28075330184186