Year per 100,000 people 2000 37 2001 35 2002 35 2003 33 2004 34 2005 31 2006 28 2007 30 2008 26 2009 22 2010 21 2011 27 2012 24 2013 24 2014 25 2015 26 2016 27 2017 27 2018 27 2019 29 2020 28 2021 29 2022 29