Year	Cases per 100,000
1990	24.74
1991	25.37
1992	26.05
1993	26.75
1994	27.48
1995	28.27
1996	27.92
1997	27.61
1998	27.31
1999	27.01
2000	26.75
2001	27.68
2002	28.68
2003	29.73
2004	30.82
2005	31.98
2006	32.85
2007	33.74
2008	34.67
2009	35.63
2010	36.64
2011	36.86
2012	37.1
2013	37.35
2014	37.6
2015	37.85
2016	38.12