Year per 1,000 population at risk 2000 350.899321321111 2001 351.612626651723 2002 329.323016200372 2003 328.433566846043 2004 324.574401667282 2005 306.469464084867 2006 284.134598616482 2007 253.790066498514 2008 226.413230431714 2009 214.933888937173 2010 215.37178529227 2011 216.253117217862 2012 215.455681707999 2013 216.85639757203 2014 211.497148251488 2015 208.769236784084 2016 213.486326121727 2017 232.528038491512 2018 243.846513787198 2019 236.969353943188 2020 230.550137544031 2021 222.15594555405 2022 212.340195604198