Year	Cases per 100,000
1990	48.82
1991	49.43
1992	50.05
1993	50.7
1994	51.36
1995	52.05
1996	52.37
1997	52.7
1998	53.05
1999	53.39
2000	53.76
2001	53.57
2002	53.39
2003	53.23
2004	53.07
2005	52.93
2006	52.23
2007	51.55
2008	50.89
2009	50.25
2010	49.63
2011	49.82
2012	50.03
2013	50.23
2014	50.45
2015	50.67
2016	50.89