Year	% of children ages 12-23 months
1983	78
1984	84
1985	88
1986	63
1987	77
1988	95
1989	95
1990	98
1991	92
1992	87
1993	81
1994	75
1995	80
1996	84
1997	83
1998	83
1999	84
2000	84
2001	85
2002	85
2003	85
2004	86
2005	86
2006	93
2007	94
2008	97
2009	99
2010	99
2011	99
2012	99
2013	99
2014	99
2015	99
2016	99
2017	99
2018	99
2019	99
2020	99
2021	99
2022	99