Year	% of children ages 12-23 months
1992	98
1993	98
1994	98
1995	98
1996	98
1997	94
1998	91
1999	92
2000	91
2001	92
2002	93
2003	95
2004	94
2005	95
2006	97
2007	97
2008	97
2009	96
2010	96
2011	96
2012	96
2013	95
2014	95
2015	95
2016	94
2017	94
2018	93
2019	95
2020	95
2021	86
2022	89