Year per 100,000 people 2002 4.26717577761376 2007 1.89896704105329 2008 3.80067667881036 2009 3.32709107674173 2010 2.37701333029076 2011 3.32389978916978 2012 2.68540977378582 2013 1.57742266488208 2014 3.15310947832592 2015 2.68152970227922 2016 4.42154016456025 2017 2.37177399207511 2018 2.21710352844108 2019 3.64850030774307 2020 2.86146912594041 2021 2.38907333419871