Year	% of children ages 12-23 months
1983	65
1984	71
1985	92
1986	65
1987	65
1988	90
1989	79
1990	95
1991	63
1992	66
1993	64
1994	79
1995	94
1996	94
1997	99
1998	96
1999	94
2000	81
2001	99
2002	99
2003	95
2004	97
2005	62
2006	84
2007	95
2008	93
2009	90
2010	85
2011	98
2012	98
2013	96
2014	94
2015	94
2016	96
2017	95
2018	88
2019	96
2020	93
2021	93
2022	90