Year per 100,000 people 1990 15.076618168181 1991 13.8119201471142 1992 12.8486939627174 1993 11.7397248523551 1994 9.52841542436711 1998 7.93777381367886 1999 7.47943602639217 2000 7.35650421792898 2001 7.34935031215775 2002 8.06170123240505 2007 6.65688737679859 2008 6.37791958104213 2009 9.77762030204939 2010 9.13493395868059 2011 8.81169177491061 2012 8.65428897289044 2016 10.6364449619778 2017 7.74603342168899 2018 5.20499271079963 2019 4.31596781848061