Year	% of children ages 12-23 months
1985	50.84834298010601
1986	62.8130105818842
1987	66.30411346601568
1988	72.94282127499928
1989	82.0554666591144
1990	84.87087323257218
1991	77.52750182783804
1992	69.42245452223794
1993	77.62238384261197
1994	79.84821350210758
1995	81.5504228917938
1996	74.38939408941441
1997	78.2443659980817
1998	77.84222238231315
1999	77.73280024670585
2000	82.1168272381169
2001	82.8710964920538
2002	80.12215688450017
2003	81.70838137574958
2004	82.7100959985231
2005	81.67030180297287
2006	84.20084991005552
2007	85.302913526701
2008	88.01879107635216
2009	88.69456998854922
2010	87.63863506350287
2011	86.5576463592744
2012	88.45768599449676
2013	88.85693377479136
2014	88.56534805247821
2015	87.36287977887972
2016	86.96955016550002
2017	88.30671219766835
2018	88.38986306218904
2019	88.12175184861307
2020	83.18371057217027
2021	81.65106031458131
2022	82.35052531473599