Year	Cases per 100,000
1990	29.87
1991	30.05
1992	30.24
1993	30.43
1994	30.62
1995	30.82
1996	31.16
1997	31.5
1998	31.86
1999	32.21
2000	32.58
2001	33.07
2002	33.57
2003	34.08
2004	34.61
2005	35.14
2006	35.58
2007	36.02
2008	36.47
2009	36.93
2010	37.4
2011	37.84
2012	38.29
2013	38.75
2014	39.21
2015	39.68
2016	40.18