Year	Cases per 100,000
1990	25.12
1991	26.01
1992	26.94
1993	27.91
1994	28.92
1995	29.97
1996	30.82
1997	31.69
1998	32.61
1999	33.55
2000	34.53
2001	35.35
2002	36.18
2003	37.05
2004	37.94
2005	38.86
2006	39.2
2007	39.55
2008	39.91
2009	40.27
2010	40.65
2011	40.38
2012	40.13
2013	39.88
2014	39.62
2015	39.38
2016	39.14