Year per 100,000 population 2000 3.476070785876292 2001 3.5437647689335257 2002 3.4357168613856306 2003 3.3390680989336774 2004 3.3069973462963134 2005 3.2588587192854193 2006 3.317897986448593 2007 3.3044859665214084 2008 3.2452177405955505 2009 3.182341767673748 2010 3.1789859973435544 2011 3.078117114760621 2012 3.0310043760159404 2013 2.9643713611106155 2014 2.9065140585380553 2015 2.7956131408063665 2016 2.8360175590318377 2017 2.750915376708184 2018 2.695462474759784 2019 2.5948968411991395