Year per 100 people 2001 1.255665512 2002 2.257471512 2003 3.232296375 2004 3.731673905 2005 3.847569321 2006 4.704477917 2007 5.731604346 2008 7.0287628 2009 8.582638015 2010 6.617694335 2011 4.100013229 2012 20.39726641 2013 18.79683651 2014 19.83085388 2015 20.63112112 2016 21.49827262 2017 21.77033733 2018 20.20571975 2019 20.34200372 2020 20.4196107 2021 20.34782523 2022 20.4939705