Year per 1,000 population at risk 2000 309.0841651268309 2001 309.8825380252106 2002 296.72235065001854 2003 291.06778426446954 2004 273.58664314579255 2005 252.05960528982303 2006 238.6833287618031 2007 221.32068237581257 2008 203.6531477697022 2009 203.48798714315453 2010 199.65636420882805 2011 191.38176337085184 2012 190.1107065668398 2013 190.16935176205737 2014 185.18697957881326 2015 182.6219134110655 2016 177.34675624900873 2017 184.35935678232377 2018 170.14810042078 2019 168.48121077643208 2020 174.5316667792308 2021 169.5656143804187 2022 165.91588646384074