Year	Cases per 100,000
1990	33.14
1991	33.72
1992	34.33
1993	34.94
1994	35.58
1995	36.24
1996	37.13
1997	38.06
1998	39.02
1999	40.01
2000	41.03
2001	41.28
2002	41.53
2003	41.79
2004	42.06
2005	42.33
2006	42.69
2007	43.04
2008	43.4
2009	43.77
2010	44.15
2011	44.54
2012	44.94
2013	45.35
2014	45.77
2015	46.19
2016	46.63