Year	Cases per 100,000
1990	37.09
1991	38.51
1992	40.01
1993	41.56
1994	43.19
1995	44.9
1996	46.12
1997	47.38
1998	48.67
1999	50.01
2000	51.4
2001	52.31
2002	53.25
2003	54.21
2004	55.19
2005	56.2
2006	56.55
2007	56.89
2008	57.25
2009	57.62
2010	58
2011	57.64
2012	57.3
2013	56.95
2014	56.62
2015	56.28
2016	55.97