Year per 100,000 people 2000 65 2001 59 2002 52 2003 49 2004 45 2005 41 2006 36 2007 39 2008 34 2009 31 2010 25 2011 25 2012 23 2013 23 2014 21 2015 18 2016 16 2017 15 2018 13 2019 13 2020 10 2021 9.3 2022 11