Year per 100,000 people 2000 1.3 2001 2.6 2002 2.2 2003 3.8 2004 8.1 2005 4.1 2006 2.1 2007 6.8 2008 1.3 2009 0.84 2010 2.5 2011 0 2012 1.7 2013 1.7 2014 2.1 2015 0 2016 1.2 2017 0 2018 0.41 2019 0 2020 2.5 2021 0.41 2022 0.88