Year	Per 100 000
2000	9
2001	10
2002	9.7
2003	9.3
2004	9.3
2005	7.9
2006	7
2007	6.5
2008	6.7
2009	7.8
2010	7.1
2011	6.7
2012	6.3
2013	5.7
2014	5.5
2015	5.8
2016	5.9
2017	5.2
2018	5.3
2019	5
2020	4.1