Year % of children ages 12-23 months 1992 84 1993 73 1994 90 1995 93 1996 97 1997 98 1998 99 1999 98 2000 97 2001 95 2002 98 2003 83 2004 97 2005 99 2006 98 2007 98 2008 96 2009 96 2010 96 2011 97 2012 97 2013 98 2014 98 2015 99 2016 98 2017 99 2018 99 2019 99 2020 98 2021 97 2022 98