Year	% of children ages 12-23 months
1992	68
1993	81
1994	73
1995	70
1996	79
1997	84
1998	83
1999	79
2000	88
2001	88
2002	89
2003	91
2004	92
2005	85
2006	82
2007	85
2008	86
2009	89
2010	94
2011	98
2012	94
2013	92
2014	98
2015	97
2016	97
2017	98
2018	98
2019	98
2020	98
2021	97
2022	98