Year per 1,000 population at risk 2000 403.10943959929 2001 413.693818851341 2002 409.753957403507 2003 422.406890996303 2004 426.198650184468 2005 421.707639148253 2006 407.460409168168 2007 380.174388744691 2008 344.4914225215 2009 306.183969439017 2010 285.658955442077 2011 264.990606816845 2012 256.154041015403 2013 260.653450654907 2014 260.634862067382 2015 259.133695447277 2016 254.284964804191 2017 245.064604122956 2018 241.667181087436 2019 232.057641005432 2020 238.111888798225 2021 234.102139269672 2022 231.38528972862