Year	Cases per 100,000
1990	21.52
1991	22.15
1992	22.8
1993	23.47
1994	24.17
1995	24.89
1996	24.38
1997	23.88
1998	23.41
1999	22.96
2000	22.52
2001	23.04
2002	23.58
2003	24.13
2004	24.69
2005	25.27
2006	25.27
2007	25.26
2008	25.26
2009	25.27
2010	25.28
2011	25.01
2012	24.75
2013	24.49
2014	24.24
2015	23.99
2016	23.75