Year per 100 people 2004 3.5899948328860245 2005 4.200503022221812 2006 6.435641197534877 2007 7.15852133122171 2008 7.542728246732021 2009 8.794222277031183 2010 9.750161675815425 2011 11.36285762848977 2012 11.823093687817835 2013 12.387248460406852 2014 12.712334349957082 2015 12.986560252384866 2016 13.183687456462607 2017 13.678112147510479 2018 13.883702274094283 2019 14.643899331809651 2020 15.246199800601929 2021 15.979659208670329 2022 15.022900924379092