Year	Cases per 100,000
1990	33.1
1991	33.18
1992	33.28
1993	33.39
1994	33.52
1995	33.67
1996	33.96
1997	34.27
1998	34.58
1999	34.9
2000	35.24
2001	35.3
2002	35.39
2003	35.5
2004	35.63
2005	35.77
2006	36.55
2007	37.34
2008	38.16
2009	39.01
2010	39.9
2011	40.94
2012	42.02
2013	43.14
2014	44.31
2015	45.51
2016	46.77