Year per 1,000 adults 2006 71.03 2007 75.975 2008 107.95 2009 101.08500000000001 2010 133.07 2011 138.24 2012 156.77 2013 155.78 2014 169.75 2015 166.785 2016 201.775 2017 205.81 2018 249.885 2019 243.725 2020 239.125 2021 326.56