Year	Cases per 100,000
1990	13.44
1991	13.68
1992	13.93
1993	14.19
1994	14.45
1995	14.73
1996	14.93
1997	15.14
1998	15.36
1999	15.58
2000	15.8
2001	15.74
2002	15.69
2003	15.64
2004	15.58
2005	15.53
2006	15.56
2007	15.59
2008	15.62
2009	15.65
2010	15.68
2011	15.8
2012	15.92
2013	16.05
2014	16.17
2015	16.3
2016	16.43