Year per 1,000 adults 2005 176.62 2006 206.66 2007 217.53 2008 244.01 2009 267.81 2010 278.52 2011 340.58 2012 447.63 2013 448.25 2014 491.93 2015 583.91 2016 543.57 2017 614.09 2018 725.21 2019 766.7 2020 762.37 2021 717.96