Year per 100,000 population 2000 17.614561909073966 2001 17.841062741315167 2002 17.982957670511738 2003 17.844028030024877 2004 18.371278705867525 2005 18.45206565482862 2006 18.776803780537982 2007 19.16072660829933 2008 19.61338518580077 2009 19.206869921434052 2010 19.165580328955308 2011 19.248770454270765 2012 19.579204522867663 2013 19.060881870922078 2014 19.001250704133128 2015 18.324655458740168 2016 18.115829982526883 2017 17.917474523560553 2018 17.44557150792106 2019 17.28193136657853