Year modeled estimate, per 100,000 live births 2000 11 2001 11 2002 11 2003 11 2004 10 2005 9 2006 9 2007 9 2008 8 2009 9 2010 7 2011 7 2012 6 2013 6 2014 6 2015 6 2016 5 2017 5 2018 5 2019 5 2020 5