Year	Cases per 100,000
1990	25.35
1991	25.46
1992	25.57
1993	25.72
1994	25.94
1995	26.29
1996	26.5
1997	26.69
1998	28.16
1999	29.31
2000	29.91
2001	29.92
2002	30.06
2003	31.45
2004	32.36
2005	32.94
2006	33.18
2007	33.35
2008	33.92
2009	34.64
2010	35.79
2011	37.04
2012	37.84
2013	38.88
2014	40.06
2015	40.29
2016	40.54