Year	Cases per 100,000
1990	47.63
1991	49.06
1992	50.61
1993	52.24
1994	53.93
1995	55.74
1996	57.53
1997	59.45
1998	61.45
1999	63.56
2000	65.8
2001	67.12
2002	68.53
2003	69.98
2004	71.49
2005	73.09
2006	73.26
2007	73.39
2008	73.59
2009	73.8
2010	74.12
2011	73.89
2012	73.74
2013	73.59
2014	73.45
2015	73.31
2016	73.24