Year modeled estimate, per 100,000 live births 2000 10 2001 9 2002 8 2003 7 2004 8 2005 9 2006 8 2007 7 2008 8 2009 7 2010 7 2011 7 2012 7 2013 6 2014 6 2015 6 2016 5 2017 6 2018 5 2019 6 2020 5