Year modeled estimate, per 100,000 live births 2000 39 2001 37 2002 36 2003 37 2004 32 2005 31 2006 29 2007 28 2008 27 2009 26 2010 27 2011 24 2012 24 2013 23 2014 24 2015 20 2016 19 2017 19 2018 18 2019 19 2020 22