Year	% of children ages 12-23 months
1992	84
1993	64
1994	82
1995	93
1996	98
1997	98
1998	97
1999	99
2000	99
2001	99
2002	98
2003	98
2004	99
2005	98
2006	92
2007	94
2008	95
2009	95
2010	96
2011	96
2012	96
2013	97
2014	96
2015	97
2016	96
2017	92
2018	94
2019	95
2020	87
2021	89
2022	90