Year per 1,000 population at risk 2000 14.6081841776069 2001 14.9601156993641 2002 11.7126589384205 2003 6.9072061004699 2004 3.74573682867641 2005 2.18492682417362 2006 1.24235823096653 2007 1.01454662246608 2008 0.59535010992858 2009 0.493852281194175 2010 0.222258925290982 2011 0.141166061779549 2012 0.0619963084845139 2013 0.0413009020992418 2014 0.026759861755458 2015 0.0683139219741699 2016 0.127840287014862 2017 0.134747274353271 2018 0.171423575833569 2019 0.183442423751592 2020 0.194031436503814 2021 0.215645962274747 2022 0.145669622472568