Year	Cases per 100,000
1990	16.94
1991	17.27
1992	17.63
1993	18.02
1994	18.43
1995	18.9
1996	19.61
1997	20.37
1998	21.19
1999	22.08
2000	23.03
2001	23.9
2002	24.82
2003	25.8
2004	26.83
2005	27.93
2006	29.09
2007	30.32
2008	31.63
2009	33.02
2010	34.51
2011	35.55
2012	36.64
2013	37.78
2014	38.97
2015	40.21
2016	41.53