Year modeled estimate, per 100,000 live births 2000 651 2001 629 2002 611 2003 574 2004 556 2005 573 2006 558 2007 529 2008 532 2009 534 2010 527 2011 519 2012 487 2013 491 2014 478 2015 447 2016 437 2017 443 2018 424 2019 440 2020 438