Year per 1,000 adults 2004 62.18 2005 69.55 2006 69.88 2007 81.12 2008 113.35 2009 135.2 2010 155.73 2011 261.05 2012 374.08 2013 377.36 2014 450.66 2015 543.18 2016 495.85 2017 544 2018 510.64 2019 535.99 2020 539.51 2021 576.55