Year per 100,000 population 2000 20.53089472066565 2001 21.241421603973176 2002 22.09984925341732 2003 23.66623605749649 2004 23.143819271484602 2005 23.40771972352998 2006 23.357276789308116 2007 22.19622419820989 2008 22.452913819661344 2009 22.22192406875752 2010 22.35236402569009 2011 20.83803816045496 2012 19.4126627468203 2013 19.00153369235867 2014 19.46689511409311 2015 19.342499098082268 2016 18.602608217800046 2017 18.24391158099804 2018 18.786396762101216 2019 18.573072633800383