Year	Cases per 100,000
1990	47.36
1991	45.92
1992	46.13
1993	43.47
1994	43.46
1995	41.21
1996	41.89
1997	44.69
1998	45.16
1999	46.52
2000	49.3
2001	48.45
2002	49.07
2003	49.83
2004	50.16
2005	50.44
2006	50.28
2007	48.43
2008	46.3
2009	45
2010	44.41
2011	43.28
2012	41.96
2013	42.21
2014	43.57
2015	44.14
2016	44.59