Year per 100,000 people 1990 4.4292846530268 1991 4.73583649929088 1992 7.37897499757305 1993 6.17562522068493 1994 6.37954087633286 1995 5.61517898224564 1996 5.03201525354784 1997 3.5499727095848 1998 3.48211260517923 1999 2.98711977406019 2000 2.75934921847538 2001 2.6322071310355 2002 2.53221194566208 2007 2.1287593016363 2008 2.13340539502668 2010 2.23011241769356 2011 2.2545108782554 2012 2.12954911752328 2013 2.29861661243509 2014 2.42253022914826 2015 2.13920441872443 2016 1.69402364496151 2017 1.80706736101741 2018 1.94040465710907 2019 1.64178691697142 2020 2.23627706150472 2021 1.91021189583004