Year per 1,000 population at risk 2000 44.3026884886523 2001 49.9783498221264 2002 40.3197062301154 2003 50.8584441505098 2004 53.1492956561076 2005 71.8472467747519 2006 36.4322287230325 2007 20.7489283179185 2008 21.6999270702115 2009 23.7960860316962 2010 39.617237930721 2011 52.2190720610564 2012 58.567192586758 2013 76.8764550052179 2014 29.7025089367141 2015 23.8798142063041 2016 25.4476759580918 2017 32.9733823167185 2018 39.1705303788347 2019 32.6133360375485 2020 27.7131768359839 2021 31.9588051709802 2022 32.7403842586982