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