Year per 1,000 adults 2004 242.64 2005 259.11 2006 283.04 2007 303.81 2008 314.44 2009 320.43 2010 323.98 2011 343.15 2012 369.3 2013 375.79 2014 372.94 2015 368.33 2016 377.79 2017 377.77 2018 378.87 2019 372.45 2020 348.97 2021 346.15