Year	per 100,000 population
2000	6.1
2001	6.1
2002	6.1
2003	6.1
2004	6.3
2005	6.3
2006	6.4
2007	6.7
2008	6.9
2009	6.9
2010	7
2011	7.2
2012	7.4
2013	7.5
2014	7.6
2015	7.7
2016	7.7
2017	7.7
2018	7.6
2019	7.5