Year	Cases per 100,000
1990	10.62
1991	10.8
1992	10.98
1993	11.17
1994	11.36
1995	11.55
1996	11.81
1997	12.07
1998	12.34
1999	12.62
2000	12.91
2001	13.21
2002	13.51
2003	13.83
2004	14.15
2005	14.49
2006	14.75
2007	15.02
2008	15.3
2009	15.59
2010	15.89
2011	16.17
2012	16.46
2013	16.76
2014	17.07
2015	17.38
2016	17.71