Year	% of children ages 12-23 months
1983	1
1984	26
1985	33
1986	39
1987	37
1988	46
1989	52
1990	67
1991	69
1992	70
1993	28
1994	36
1995	42
1996	24
1997	50
1998	63
1999	67
2000	69
2001	65
2002	73
2003	77
2004	77
2005	82
2006	82
2007	72
2008	66
2009	65
2010	63
2011	66
2012	71
2013	72
2014	65
2015	57
2016	46
2017	38
2018	37
2019	37
2020	47
2021	38
2022	44