Year	Cases per 100,000
1990	47.45
1991	48.56
1992	49.72
1993	50.92
1994	52.14
1995	53.45
1996	53.92
1997	54.44
1998	54.97
1999	55.52
2000	56.12
2001	56.08
2002	56.08
2003	56.1
2004	56.13
2005	56.24
2006	56.38
2007	56.47
2008	56.62
2009	56.79
2010	57.01
2011	56.98
2012	57
2013	57.02
2014	57.04
2015	57.06
2016	57.13