Year per 1,000 adults 2008 251.8 2009 228.19 2010 223.72 2011 242.68 2012 228.44 2013 240.83 2014 263.4 2015 282.48 2016 312.26 2017 373.05 2018 317.04 2019 317.68 2020 352.93 2021 399.67