Year modeled estimate, per 100,000 live births 2000 8 2001 7 2002 6 2003 6 2004 5 2005 5 2006 4 2007 4 2008 3 2009 3 2010 3 2011 3 2012 2 2013 2 2014 2 2015 2 2016 2 2017 2 2018 2 2019 2 2020 2