Year	% of children ages 12-23 months
1990	83
1991	95
1992	95
1993	95
1994	95
1995	95
1996	96
1997	95
1998	95
1999	95
2000	87
2001	93
2002	93
2003	96
2004	94
2005	95
2006	96
2007	97
2008	96
2009	96
2010	96
2011	96
2012	97
2013	96
2014	95
2015	93
2016	94
2017	95
2018	95
2019	96
2020	94
2021	94
2022	95