Year per 1,000 population at risk 2000 356.8162612835567 2001 357.9054885661865 2002 347.6672385406148 2003 342.79461432583776 2004 332.6915911886459 2005 324.5149850450865 2006 314.39899706082707 2007 303.40824864954755 2008 295.19627432058996 2009 286.82029190155464 2010 277.39115150291286 2011 266.4753413121464 2012 254.2479807079074 2013 242.38319955475453 2014 233.92919357088394 2015 230.9074954859074 2016 229.714479322539 2017 231.4913245090602 2018 231.09367679995898 2019 228.16732125364337 2020 234.8896132408117 2021 231.72598381618343 2022 227.35727098729654