Year per 100,000 people 2000 4 2001 2.5 2002 2.8 2003 3.5 2004 2.6 2005 2.8 2006 2.1 2007 1.9 2008 1.5 2009 1.7 2010 1.8 2011 1.4 2012 1 2013 1.1 2014 0.78 2015 0.79 2016 0.82 2017 0.84 2018 1 2019 1 2020 0.77 2021 0.81 2022 0.76