Year	Cases per 100,000
1990	26.42
1991	26.92
1992	27.44
1993	27.97
1994	28.52
1995	29.1
1996	30.29
1997	31.56
1998	32.91
1999	34.34
2000	35.88
2001	36.35
2002	36.85
2003	37.36
2004	37.88
2005	38.43
2006	37.95
2007	37.47
2008	37.02
2009	36.59
2010	36.18
2011	36.15
2012	36.14
2013	36.13
2014	36.12
2015	36.11
2016	36.12