Year	Cases per 100,000
1990	39.95
1991	40.54
1992	40.96
1993	40.98
1994	40.82
1995	40.56
1996	41
1997	41.31
1998	41.3
1999	41.61
2000	42.17
2001	42.73
2002	42.97
2003	42.99
2004	42.87
2005	42.94
2006	42.74
2007	42.42
2008	41.96
2009	41.66
2010	41.34
2011	41.09
2012	40.96
2013	40.83
2014	40.42
2015	39.93
2016	39.45