Year modeled estimate, per 100,000 live births 2000 24 2001 23 2002 17 2003 14 2004 11 2005 11 2006 8 2007 6 2008 4 2009 3 2010 3 2011 3 2012 2 2013 2 2014 1 2015 1 2016 1 2017 1 2018 1 2019 1 2020 1