Year	Cases per 100,000
1990	26.31
1991	26.41
1992	26.53
1993	26.66
1994	26.8
1995	26.97
1996	28.25
1997	29.63
1998	31.12
1999	32.73
2000	34.47
2001	34.76
2002	35.09
2003	35.45
2004	35.85
2005	36.29
2006	36.87
2007	37.48
2008	38.14
2009	38.85
2010	39.61
2011	39.58
2012	39.57
2013	39.55
2014	39.55
2015	39.54
2016	39.56