Year	Cases per 100,000
1990	36.17
1991	36.48
1992	36.8
1993	37.12
1994	37.44
1995	37.78
1996	37.85
1997	37.92
1998	38
1999	38.08
2000	38.16
2001	38.16
2002	38.16
2003	38.17
2004	38.18
2005	38.19
2006	38.21
2007	38.22
2008	38.24
2009	38.26
2010	38.28
2011	38.16
2012	38.04
2013	37.93
2014	37.81
2015	37.7
2016	37.59