Year	Cases per 100,000
1990	21.69
1991	21.9
1992	22.14
1993	22.39
1994	22.66
1995	22.96
1996	23.74
1997	24.63
1998	25.64
1999	26.79
2000	28.17
2001	29.4
2002	30.81
2003	32.44
2004	34.3
2005	36.47
2006	37.17
2007	37.87
2008	38.61
2009	39.38
2010	40.18
2011	40.54
2012	40.93
2013	41.32
2014	41.72
2015	42.13
2016	42.55