Year per 100 people 2005 1.211137727 2007 2.825032203 2008 6.294717372 2009 9.399666023 2010 10.24730447 2011 10.24267634 2012 13.86428582 2013 15.09923558 2014 16.3745834 2015 17.728711 2016 18.13588014 2017 21.72956084 2018 25.18453413 2019 28.36011015 2020 29.27852882 2021 29.98858024 2022 31.25986713