Year modeled estimate, per 100,000 live births 2000 56 2001 52 2002 49 2003 42 2004 36 2005 36 2006 31 2007 28 2008 26 2009 23 2010 20 2011 17 2012 14 2013 13 2014 13 2015 13 2016 13 2017 13 2018 14 2019 14 2020 13