Year per 100,000 population 2000 20.034821154468204 2001 20.670924579293953 2002 21.527931841840356 2003 22.943525141941556 2004 22.816514895121834 2005 23.253609934994557 2006 23.11364860339277 2007 22.156576416789324 2008 22.375935911505163 2009 21.98309173475269 2010 22.073943393305655 2011 20.910697308286228 2012 19.73415760985877 2013 19.23786178494312 2014 19.46645049199272 2015 19.407458563846834 2016 18.931824744626915 2017 18.642508944038656 2018 19.239598528007996 2019 19.190147123728963