Year per 100 people 2006 0.003631363 2007 0.041016476 2008 0.044640293 2009 0.063188801 2010 0.221552019 2011 0.347152552 2012 0.843805869 2013 1.137470096 2014 0.912537443 2015 1.096347109 2016 0.804646292 2017 1.785467814 2018 2.778156246 2019 3.575826387 2020 4.327289314 2021 4.228401748