Year national estimate, per 100,000 live births 1990 22 1991 17 1992 13 1994 10 1995 9 1996 12 1997 9 1998 7 1999 10 2000 11 2002 13 2003 12 2004 12 2005 12 2006 11 2007 53 2008 40 2009 51 2010 48 2011 46 2012 38 2013 38 2014 41 2015 22 2016 24