Year	% of children ages 12-23 months
1988	92
1989	92
1990	92
1991	71
1992	82
1993	56
1994	67
1995	70
1996	78
1997	78
1998	86
1999	66
2000	39
2001	48
2002	80
2003	68
2004	64
2005	77
2006	74
2007	93
2008	95
2009	96
2010	94
2011	87
2012	80
2013	79
2014	78
2015	85
2016	71
2017	80
2018	81
2019	79
2020	82
2021	86
2022	86