Year	% of children ages 12-23 months
1980	86
1981	85
1982	81
1983	86
1984	93
1985	90
1986	89
1987	94
1988	87
1989	86
1990	95
1991	90
1992	90
1993	88
1994	88
1995	85
1996	85
1997	94
1998	85
1999	86
2000	88
2001	91
2002	94
2003	88
2004	90
2005	91
2006	89
2007	89
2008	90
2009	86
2010	88
2011	85
2012	91
2013	95
2014	91
2015	92
2016	97
2017	96
2018	94
2019	95
2020	97
2021	93
2022	95