Year	Cases per 100,000
1990	23.88
1991	24.61
1992	25.37
1993	26.16
1994	26.98
1995	27.84
1996	28.84
1997	29.89
1998	30.98
1999	32.13
2000	33.32
2001	34.96
2002	36.69
2003	38.51
2004	40.43
2005	42.47
2006	43.29
2007	44.12
2008	44.98
2009	45.86
2010	46.77
2011	46.8
2012	46.85
2013	46.89
2014	46.94
2015	46.99
2016	47.04