Year modeled estimate, per 100,000 live births 2000 33 2001 34 2002 32 2003 32 2004 29 2005 27 2006 29 2007 28 2008 26 2009 24 2010 23 2011 20 2012 19 2013 18 2014 16 2015 16 2016 15 2017 15 2018 15 2019 15 2020 15