Year	Cases per 100,000
1990	51.74
1991	53.03
1992	54.36
1993	55.74
1994	57.17
1995	58.65
1996	59.25
1997	59.86
1998	60.5
1999	61.16
2000	61.84
2001	63
2002	64.21
2003	65.47
2004	66.78
2005	68.17
2006	68.66
2007	69.14
2008	69.65
2009	70.16
2010	70.69
2011	70.57
2012	70.45
2013	70.34
2014	70.23
2015	70.13
2016	70.03