Year	% of children ages 12-23 months
1980	50
1981	52
1982	51
1983	52
1984	67
1985	55
1986	61
1987	86
1988	87
1989	97
1990	98
1991	97
1992	90
1993	90
1994	77
1995	64
1996	50
1997	37
1998	43
1999	50
2000	56
2001	62
2002	64
2003	68
2004	72
2005	79
2006	89
2007	92
2008	92
2009	93
2010	93
2011	94
2012	96
2013	93
2014	93
2015	96
2016	96
2017	97
2018	97
2019	97
2020	97
2021	41
2022	0