Year	% of children ages 12-23 months
1992	58
1993	38
1994	82
1995	55
1996	67
1997	79
1998	89
1999	90
2000	85
2001	91
2002	80
2003	87
2004	84
2005	93
2006	87
2007	95
2008	91
2009	90
2010	89
2011	88
2012	92
2013	89
2014	86
2015	82
2016	78
2017	75
2018	73
2019	73
2020	72
2021	76
2022	75