Year	Cases per 100,000
1990	26.91
1991	27.21
1992	27.52
1993	27.83
1994	28.14
1995	28.47
1996	28.76
1997	29.08
1998	29.43
1999	29.8
2000	30.22
2001	30.34
2002	30.5
2003	30.68
2004	30.9
2005	31.17
2006	31.14
2007	31.15
2008	31.23
2009	31.35
2010	31.52
2011	31.96
2012	32.43
2013	32.93
2014	33.45
2015	33.99
2016	34.58