Year	% of children ages 12-23 months
1992	83
1993	88
1994	81
1995	85
1996	88
1997	91
1998	94
1999	97
2000	97
2001	97
2002	98
2003	98
2004	98
2005	99
2006	99
2007	99
2008	99
2009	98
2010	98
2011	98
2012	98
2013	98
2014	98
2015	98
2016	98
2017	98
2018	98
2019	98
2020	97
2021	97
2022	97