Year	Cases per 100,000
1990	27.68
1991	27.69
1992	27.75
1993	27.84
1994	27.95
1995	28.14
1996	29.39
1997	30.76
1998	32.3
1999	34.05
2000	36.16
2001	36.64
2002	37.31
2003	38.05
2004	38.89
2005	39.86
2006	40.13
2007	40.68
2008	41.37
2009	42.19
2010	43.15
2011	43.42
2012	43.76
2013	44.19
2014	44.73
2015	45.4
2016	46.4