Year % of children ages 12-23 months 1992 81.26367033357651 1993 82.7115423733175 1994 82.7009043274442 1995 83.90489611054643 1996 86.20057989478578 1997 88.08474245475831 1998 88.13252460209623 1999 89.54375807079144 2000 90.78828959318375 2001 91.64900020679323 2002 90.8948332766273 2003 90.39301004051785 2004 91.53348066809443 2005 93.05148767621074 2006 94.37208935230768 2007 94.67615968606079 2008 94.75675091905829 2009 93.6865194874171 2010 93.39389487548824 2011 94.23080402624413 2012 94.7610207196093 2013 95.02141230606371 2014 93.53759411387796 2015 93.80764985764249 2016 93.30443407267543 2017 95.15180070471638 2018 95.20182271609427 2019 95.62530650140151 2020 93.73662053415957 2021 93.94210325367158 2022 93.32342483711668