Year per 1,000 population at risk 2000 599.3173545017 2001 599.748207394036 2002 594.74928850866 2003 584.463590331398 2004 561.277547923814 2005 530.65224900291 2006 513.212126478443 2007 521.352064779237 2008 551.823983750403 2009 570.775683254631 2010 570.472881013623 2011 556.661523512119 2012 535.215171068473 2013 488.774131331051 2014 447.606368839091 2015 419.282114240716 2016 374.321120004267 2017 357.614175298089 2018 357.025623452757 2019 356.663249273088 2020 377.402134851017 2021 376.771822989732 2022 353.678123439894