Year per 1,000 adults 2004 25.91 2005 36.34 2006 38.52 2007 51.97 2008 59.97 2009 55.26 2010 55.65 2011 67.2 2012 62.87 2013 52.93 2014 57.72 2015 56.43 2016 57.28 2017 111.77 2018 172.75 2019 151.71 2020 151.82 2021 130.33