Year modeled estimate, per 100,000 live births 2000 450 2001 450 2002 447 2003 451 2004 402 2005 419 2006 420 2007 427 2008 433 2009 459 2010 482 2011 414 2012 362 2013 334 2014 306 2015 299 2016 246 2017 228 2018 218 2019 223 2020 215