Year per 100,000 people 1990 17.7348557205305 1991 18.1496225828095 1992 19.5239231239821 1993 18.5115840478456 1994 17.9347827594662 1995 17.352533268956 1996 15.8374774550697 1997 14.5434106319758 1998 14.4100361976712 1999 12.7150300083635 2000 10.9702896265275 2001 10.3476771220495 2002 9.99632559724949 2003 9.84776422607268 2004 8.97486847305721 2005 9.40892834274075 2006 9.77857039209429 2007 8.18721753834034 2008 12.7693534350575 2009 17.8325996517848 2010 22.888519115879 2011 23.8395841713536 2012 22.4325481302212 2013 19.6631129758381 2014 16.8496909258499 2015 17.2800813969903 2016 20.2099714735253 2017 26.1146156797635 2018 29.5813706276697 2019 29.3087972148416 2020 29.1853140575867 2021 28.1756529873319