Year	Cases per 100,000
1990	20.36
1991	21.75
1992	23.29
1993	25.01
1994	26.91
1995	29.03
1996	32.19
1997	35.76
1998	39.79
1999	44.34
2000	49.48
2001	50.15
2002	50.84
2003	51.54
2004	52.25
2005	52.98
2006	53.84
2007	54.7
2008	55.59
2009	56.51
2010	57.45
2011	58.4
2012	59.39
2013	60.39
2014	61.43
2015	62.48
2016	63.58