Year per 100,000 people 1990 1.63893074370356 1991 1.44215352960454 1992 1.35308566821845 1993 1.51381442163422 1994 1.14424044782711 1995 1.16505455794207 1996 1.17402585204926 1997 1.2276002637224 1998 1.06918453998546 1999 1.24611507872752 2000 0.960727278904281 2001 1.19040978195707 2002 1.18189014468534 2009 0.659391381754641 2010 0.664754602323023 2011 0.581470163881045 2012 0.56279983161029 2013 0.704715797391488 2014 0.500745561287532 2015 0.688261827356886 2016 0.537448324343614 2017 0.532438080113473 2018 0.587238094745934 2019 0.536406335262006 2020 0.544068822159298 2021 0.483235941156359