Year	% of children ages 12-23 months
1992	52
1993	49
1994	60
1995	64
1996	65
1997	66
1998	67
1999	68
2000	67
2001	68
2002	66
2003	67
2004	67
2005	67
2006	69
2007	75
2008	79
2009	85
2010	89
2011	92
2012	94
2013	98
2014	98
2015	98
2016	98
2017	98
2018	96
2019	98
2020	82
2021	93
2022	93