Year	Cases per 100,000
1990	44.15
1991	45.79
1992	47.52
1993	49.36
1994	51.29
1995	53.35
1996	54.6
1997	55.94
1998	57.35
1999	58.84
2000	60.43
2001	61.31
2002	62.23
2003	63.19
2004	64.19
2005	65.23
2006	66.3
2007	67.4
2008	68.55
2009	69.76
2010	71.02
2011	69.11
2012	67.29
2013	65.54
2014	63.86
2015	62.24
2016	60.69