Year	Cases per 100,000
1990	45.42
1991	45.2
1992	44.71
1993	44.57
1994	44.78
1995	45.59
1996	46.29
1997	47.37
1998	48.19
1999	48.59
2000	49.2
2001	48.75
2002	48.6
2003	48.11
2004	47.42
2005	46.65
2006	46.16
2007	45.6
2008	45.47
2009	45.18
2010	44.26
2011	43.88
2012	43.64
2013	43.59
2014	43.67
2015	43.75
2016	43.88