Year % of children ages 12-23 months 1992 84.63879055298762 1993 80.70476334533203 1994 87.6544518917173 1995 86.48924928516223 1996 88.98605105127729 1997 90.80078624924295 1998 91.59152780509858 1999 92.8442425180335 2000 92.87410564555641 2001 93.97617566931514 2002 92.84050758584881 2003 91.22870336508645 2004 93.9506269318625 2005 95.01801466250294 2006 95.19908362774088 2007 95.87099167344499 2008 95.82718631983913 2009 94.96228850172778 2010 94.37050037318316 2011 94.45045448601182 2012 95.71176598610374 2013 95.78721874249584 2014 92.87584399429235 2015 92.98767300198885 2016 92.28126310091636 2017 93.69262803838961 2018 94.66262736096391 2019 95.08445460586256 2020 93.77143658010993 2021 93.82579313022018 2022 94.35333185206552