Year modeled estimate, per 100,000 live births 2000 12 2001 12 2002 11 2003 10 2004 9 2005 9 2006 8 2007 8 2008 7 2009 7 2010 6 2011 5 2012 5 2013 4 2014 5 2015 5 2016 3 2017 3 2018 3 2019 3 2020 3