Year modeled estimate, per 100,000 live births 2000 9 2001 7 2002 6 2003 5 2004 4 2005 4 2006 4 2007 4 2008 3 2009 3 2010 3 2011 3 2012 3 2013 3 2014 3 2015 3 2016 3 2017 3 2018 3 2019 3 2020 3