Year	Cases per 100,000
1990	33.87
1991	34.26
1992	34.66
1993	35.07
1994	35.49
1995	35.94
1996	36.61
1997	37.31
1998	38.05
1999	38.8
2000	39.6
2001	39.99
2002	40.4
2003	40.82
2004	41.25
2005	41.7
2006	42.25
2007	42.78
2008	43.35
2009	43.92
2010	44.53
2011	44.91
2012	45.32
2013	45.73
2014	46.15
2015	46.57
2016	47.02