Year	Cases per 100,000
1990	10.51
1991	10.71
1992	10.91
1993	11.13
1994	11.35
1995	11.59
1996	11.81
1997	12.04
1998	12.28
1999	12.53
2000	12.78
2001	12.9
2002	13.03
2003	13.16
2004	13.29
2005	13.43
2006	13.75
2007	14.07
2008	14.4
2009	14.75
2010	15.12
2011	15.32
2012	15.53
2013	15.74
2014	15.96
2015	16.18
2016	16.41