Year % of children under 5 1990 44.9 1991 43.8 1992 42.7 1993 41.7 1994 40.7 1995 39.8 1996 38.8 1997 37.9 1998 37 1999 36.1 2000 35.3 2001 34.4 2002 33.5 2003 32.6 2004 31.5 2005 30.4 2006 29.1 2007 27.7 2008 26.2 2009 24.7 2010 23.4 2011 22 2012 20.6 2013 19.5 2014 18.6 2015 17.9 2016 17.5