Year	Cases per 100,000
1990	92.86
1991	93.71
1992	94.62
1993	95.6
1994	96.65
1995	97.8
1996	98.13
1997	98.51
1998	98.94
1999	99.4
2000	99.92
2001	98.95
2002	98.05
2003	97.21
2004	96.43
2005	95.73
2006	94.11
2007	92.59
2008	91.15
2009	89.8
2010	88.53
2011	88.62
2012	88.76
2013	88.91
2014	89.09
2015	89.3
2016	89.53