Year	Cases per 100,000
1990	14.84
1991	15.57
1992	16.75
1993	17.97
1994	18.86
1995	20.47
1996	21.45
1997	22.29
1998	23.79
1999	25.09
2000	27.02
2001	28.36
2002	29.93
2003	32.02
2004	33.8
2005	35.18
2006	36.53
2007	37.65
2008	38.68
2009	39.67
2010	41.08
2011	42.12
2012	42.6
2013	42.34
2014	41.94
2015	41.42
2016	40.94