Year	Cases per 100,000
1990	19.39
1991	19.49
1992	19.59
1993	19.69
1994	19.79
1995	19.9
1996	20.2
1997	20.51
1998	20.82
1999	21.15
2000	21.48
2001	21.82
2002	22.17
2003	22.53
2004	22.9
2005	23.27
2006	23.53
2007	23.79
2008	24.05
2009	24.32
2010	24.6
2011	24.87
2012	25.16
2013	25.44
2014	25.74
2015	26.03
2016	26.35