Year modeled estimate, per 100,000 live births 2000 28 2001 23 2002 25 2003 24 2004 23 2005 19 2006 15 2007 14 2008 12 2009 11 2010 10 2011 10 2012 10 2013 9 2014 7 2015 7 2016 7 2017 6 2018 6 2019 7 2020 8