Year modeled estimate, per 100,000 live births 2000 68 2001 60 2002 55 2003 49 2004 47 2005 44 2006 41 2007 39 2008 35 2009 31 2010 32 2011 29 2012 27 2013 24 2014 22 2015 20 2016 20 2017 18 2018 17 2019 16 2020 17