Year per 1,000 adults 2008 365.76 2009 364.24 2010 376.71 2011 435.44 2012 434.71 2013 433.26 2014 452.19 2015 471.95 2016 485.27 2017 507.04 2018 576.09 2019 658.28 2020 686.5 2021 755.09