Year	Cases per 100,000
1990	24.59
1991	25.06
1992	25.54
1993	26.04
1994	26.55
1995	27.07
1996	28.33
1997	29.66
1998	31.06
1999	32.53
2000	34.08
2001	35.18
2002	36.33
2003	37.52
2004	38.76
2005	40.04
2006	40.79
2007	41.56
2008	42.35
2009	43.17
2010	44.02
2011	45.02
2012	46.06
2013	47.14
2014	48.25
2015	49.39
2016	50.58