Year per 100,000 population 2000 19.231880945206875 2001 19.3778808774821 2002 19.545648062101368 2003 19.264723472238764 2004 19.126552061719735 2005 19.350315082509965 2006 19.3999298673518 2007 19.418592359064757 2008 19.311115361916475 2009 19.200100551429937 2010 19.231695990897656 2011 19.21281185129882 2012 18.915852467501946 2013 18.409136164187785 2014 17.921071841584894 2015 17.606379309086297 2016 17.411751889897623 2017 17.270801365927884 2018 17.221760875364783 2019 17.15695676996917