Year modeled estimate, per 100,000 live births 2000 32 2001 32 2002 28 2003 34 2004 31 2005 28 2006 26 2007 25 2008 22 2009 23 2010 25 2011 24 2012 23 2013 21 2014 22 2015 22 2016 21 2017 22 2018 23 2019 22 2020 18