Year	% of children ages 12-23 months
1980	96
1981	96
1982	97
1983	97
1984	97
1985	97
1986	97
1987	97
1988	97
1989	97
1990	97
1991	97
1992	98
1993	97
1994	97
1995	97
1996	97
1997	97
1998	97
1999	97
2000	97
2001	97
2002	97
2003	98
2004	98
2005	96
2006	96
2007	97
2008	97
2009	97
2010	97
2011	97
2012	97
2013	97
2014	96
2015	95
2016	95
2017	94
2018	93
2019	94
2020	94
2021	95
2022	93