Year per 1,000 adults 2006 127.495 2007 136.16 2008 145.02 2009 150.21 2010 169.68 2011 167.16500000000002 2012 188.175 2013 199.12 2014 216.64 2015 223.29000000000002 2016 227.66 2017 223.745 2018 243.2 2019 232.935 2020 217.86 2021 232.15