Year per 100,000 people 1990 2.58902555408141 1991 4.29963995961549 1992 5.32961690609855 1993 5.69004215334187 1994 5.75541857451384 1995 5.82713497408075 1996 5.21343170452078 1997 4.78424871457875 1998 4.62663482019938 1999 4.00622324513639 2000 4.09993391326405 2001 3.83329617234798 2002 3.19756834332103 2003 3.11957724802641 2004 3.10222735474154 2005 2.54631298677843 2006 2.39504426711388 2007 2.29303259455148 2008 2.24106774891129 2009 1.96470460568018 2010 1.94935047444622 2011 1.69690831259703 2012 1.88292631855588 2013 1.46679508973523 2014 1.51923291217348 2015 1.72384225010119 2016 1.09026053017437 2017 1.43405534771422 2018 1.29260131166718 2019 1.17688228851709 2020 0.988655606762662 2021 1.27797986237754