Year per 100,000 people 1992 3.9349355381887 1993 5.78663290827838 1994 3.4001229812339 1995 7.88584943690772 1996 8.31465846776129 1997 40.9992381026143 1998 20.4196832752429 1999 16.5821972034685 2000 4.11688108231861 2001 6.97612769104126 2002 6.91520644292345 2003 5.36697326309711 2004 4.27737992521115 2005 5.07809382866511 2006 3.16309553181125 2007 3.52812681499024 2008 3.15073844161766 2009 2.90048784499383 2010 4.08457542468858 2011 4.89544771627364 2012 5.42840674878889 2013 4.2950952090984 2014 4.64616022595595 2015 2.22030990322398 2016 2.74204347492575 2017 2.01434001712189 2018 2.29404594278858 2019 2.26174791010144 2020 2.12777201167065 2021 2.31196864129807