Year per 1,000 population at risk 2000 232.284453252465 2001 178.264659574783 2002 158.345144608313 2003 172.384811007787 2004 132.915886625756 2005 135.840464469977 2006 124.590320833334 2007 100.324986386477 2008 52.9579516562425 2009 33.2687195741806 2010 60.9039609433939 2011 48.6209874587213 2012 53.3576867241296 2013 58.3583647786344 2014 38.1367397196969 2015 70.4176828085408 2016 46.3773635454259 2017 53.1535824509544 2018 67.265818374926 2019 42.0117618008771 2020 43.9166299588954 2021 50.9768485819519 2022 48.0187391779192