Year	Cases per 100,000
1990	109.13
1991	108.15
1992	106.92
1993	106.77
1994	104.45
1995	101.97
1996	97.5
1997	92.98
1998	91.63
1999	88.92
2000	87.66
2001	88
2002	87.23
2003	83.85
2004	82.35
2005	80.93
2006	79.09
2007	78.44
2008	78.21
2009	77.47
2010	76.56
2011	76.14
2012	76.28
2013	75.37
2014	73.59
2015	73.72
2016	73.71