Year per 1,000 adults 2004 684.6 2005 679.6 2006 687.19 2007 696.97 2012 626.5 2013 659.1 2014 665.73 2015 684.81 2016 698.5 2017 667.6 2018 720.6 2019 690.97 2020 716.56 2021 733.48