Year	Cases per 100,000
1990	15.87
1991	16.37
1992	16.9
1993	17.46
1994	18.04
1995	18.65
1996	19.57
1997	20.55
1998	21.59
1999	22.69
2000	23.87
2001	24.85
2002	25.89
2003	26.98
2004	28.12
2005	29.33
2006	30.24
2007	31.19
2008	32.18
2009	33.2
2010	34.28
2011	34.87
2012	35.48
2013	36.1
2014	36.74
2015	37.4
2016	38.08