Year	% of children ages 12-23 months
1992	94
1993	96
1994	97
1995	93
1996	96
1997	97
1998	98
1999	98
2000	98
2001	99
2002	99
2003	99
2004	99
2005	99
2006	97
2007	99
2008	99
2009	99
2010	99
2011	99
2012	98
2013	99
2014	99
2015	99
2016	98
2017	97
2018	98
2019	98
2020	97
2021	98
2022	98