Year	% of children ages 12-23 months
1980	1.9284823060653788
1981	4.165349684068109
1982	5.7968492841399915
1983	10.753954795525773
1984	23.46440413914988
1985	30.6683012296322
1986	35.845809923998154
1987	40.46637230669968
1988	44.66644295232918
1989	49.99176571737297
1990	59.17453887385328
1991	51.074398321404786
1992	51.1403894758605
1993	41.58247324484598
1994	49.14097486425609
1995	54.967253891790385
1996	46.839548557731725
1997	46.40712820136325
1998	51.821993746100176
1999	52.68681616698539
2000	52.63767663806236
2001	52.18428514189985
2002	52.593812953360626
2003	54.470259974196395
2004	56.588300656670974
2005	56.442369823710855
2006	56.836036308372556
2007	55.88512886249252
2008	60.66157605040107
2009	64.08319201077092
2010	61.27345315833817
2011	63.58896436979725
2012	61.54460765773355
2013	61.83217994088933
2014	63.22418970708662
2015	63.09658067607386
2016	68.36140770451688
2017	68.28659418150609
2018	72.93749212736753
2019	76.27865766800637
2020	72.96237414215783
2021	74.26680155920609
2022	74.98361974278117