Year per 100,000 people 1990 7.51269837025379 1991 7.60078869360327 1992 14.0874192529578 1993 18.7445722997098 1994 20.4644897057518 1995 16.9331107707663 1996 14.9163222204409 1997 12.5220719104602 1998 13.8894154504865 1999 11.1863318699664 2000 10.237125472438 2001 9.87035611452351 2002 10.2955250717787 2007 7.1611089126341 2008 6.43225822375433 2009 5.2452078469808 2010 5.25709050081297 2011 4.89668373977064 2012 4.76304962190459 2013 3.94542715508526 2014 3.11899498374319 2015 3.42294736305643 2016 2.50774074976129 2017 2.2010574942782 2018 2.11776673933884 2019 1.95924986351187 2020 3.15921543141343 2021 1.95679840686505