Year per 100 people 2001 0.031037537 2002 0.314856266 2003 0.506846816 2004 2.269313004 2005 2.45012749 2006 7.552178914 2007 10.83541003 2008 11.5845071 2009 14.51422326 2010 15.17849683 2011 18.05276306 2012 17.83176738 2013 18.21169968 2014 18.7493598 2015 18.84553338 2016 19.01769052 2017 19.80929396 2018 20.38194506 2019 20.36171674 2020 21.77875062 2021 22.65728329 2022 22.96838564