Year	Cases per 100,000
1990	11.66
1991	11.82
1992	11.99
1993	12.16
1994	12.33
1995	12.51
1996	12.77
1997	13.04
1998	13.32
1999	13.61
2000	13.9
2001	14.17
2002	14.45
2003	14.74
2004	15.03
2005	15.33
2006	15.75
2007	16.18
2008	16.63
2009	17.09
2010	17.57
2011	17.85
2012	18.13
2013	18.42
2014	18.72
2015	19.02
2016	19.33