Year per 100,000 population 2000 20.998983421387077 2001 21.143691914848723 2002 21.27139840348305 2003 20.973750153165167 2004 21.022435528202926 2005 20.92382638608289 2006 20.41443754231318 2007 20.27492944383151 2008 20.120572936450653 2009 20.484978281910728 2010 20.383189813929107 2011 19.552276231892435 2012 19.007620591447285 2013 19.041546836295304 2014 18.913552355214854 2015 18.925021398565534 2016 19.003288429599046 2017 18.86467711095292 2018 18.729613939578787 2019 18.77420713361748