Year per 100 people 2008 0.001463847 2009 0.002269862 2010 0.003748737 2011 0.004395851 2012 0.005687764 2013 0.004429118 2014 0.006017888 2015 0.014970033 2016 0.017829083 2017 0.02943832 2019 0.085743242 2020 0.140612644 2021 0.138109644