Year	% of children ages 12-23 months
1980	23
1981	8
1982	12
1983	9
1984	24
1985	23
1986	55
1987	24
1988	55
1989	60
1990	68
1991	49
1992	59
1993	71
1994	66
1995	83
1996	69
1997	74
1998	79
1999	83
2000	86
2001	91
2002	92
2003	94
2004	95
2005	93
2006	95
2007	86
2008	96
2009	92
2010	93
2011	89
2012	93
2013	91
2014	68
2015	79
2016	89
2017	94
2018	89
2019	90
2020	88
2021	81
2022	83