Year modeled estimate, per 100,000 live births 2000 20 2001 19 2002 18 2003 18 2004 17 2005 14 2006 12 2007 11 2008 10 2009 10 2010 9 2011 8 2012 8 2013 8 2014 7 2015 7 2016 7 2017 7 2018 6 2019 6 2020 6