Year per 1,000 population at risk 2000 53.80757890826373 2001 53.82430674071942 2002 51.955629224138214 2003 52.313687697732526 2004 52.49215941150776 2005 52.26084123215051 2006 49.64300529758626 2007 48.30878854173659 2008 47.359024214089644 2009 46.90925770588333 2010 45.65548378357091 2011 43.17362683747451 2012 40.40395191627402 2013 37.73489129091849 2014 37.07549139774158 2015 36.80713698510504 2016 36.75286886360934 2017 36.24879170282032 2018 35.507234680882824 2019 35.24960296181795 2020 36.60294392526609 2021 44.06704971562834 2022 37.26870187930936