Year modeled estimate, per 100,000 live births 2000 22 2001 21 2002 19 2003 17 2004 15 2005 14 2006 12 2007 10 2008 9 2009 10 2010 10 2011 8 2012 8 2013 7 2014 7 2015 8 2016 7 2017 7 2018 7 2019 7 2020 7