Year	% of children ages 12-23 months
1992	16
1993	61
1994	63
1995	61
1996	65
1997	69
1998	73
1999	76
2000	73
2001	74
2002	75
2003	76
2004	86
2005	90
2006	96
2007	97
2008	97
2009	83
2010	94
2011	91
2012	93
2013	97
2014	92
2015	96
2016	93
2017	95
2018	98
2019	99
2020	91
2021	90
2022	90