Year	% of children ages 12-23 months
1984	10
1985	10
1986	35
1987	59
1988	41
1989	86
1990	80
1991	90
1992	92
1993	90
1994	71
1995	51
1996	51
1997	56
1998	60
1999	67
2000	74
2001	70
2002	65
2003	90
2004	94
2005	86
2006	94
2007	79
2008	78
2009	82
2010	73
2011	84
2012	93
2013	99
2014	98
2015	89
2016	93
2017	91
2018	96
2019	96
2020	95
2021	90
2022	96