Year	% of children ages 12-23 months
1980	99
1981	99
1982	99
1983	99
1984	99
1985	99
1986	99
1987	99
1988	99
1989	99
1990	99
1991	99
1992	99
1993	99
1994	99
1995	99
1996	99
1997	99
1998	99
1999	99
2000	99
2001	99
2002	99
2003	99
2004	99
2005	98
2006	98
2007	98
2008	98
2009	98
2010	98
2011	98
2012	98
2013	98
2014	97
2015	98
2016	98
2017	97
2018	97
2019	98
2020	97
2021	98
2022	94