Year modeled estimate, per 100,000 live births 2000 658 2001 627 2002 637 2003 626 2004 598 2005 568 2006 537 2007 521 2008 526 2009 507 2010 497 2011 484 2012 476 2013 455 2014 467 2015 482 2016 447 2017 423 2018 423 2019 398 2020 392