Year	Cases per 100,000
1990	23.45
1991	23.72
1992	24
1993	24.29
1994	24.59
1995	24.9
1996	25.43
1997	25.99
1998	26.56
1999	27.15
2000	27.78
2001	28.09
2002	28.43
2003	28.78
2004	29.13
2005	29.51
2006	29.78
2007	30.02
2008	30.3
2009	30.58
2010	30.9
2011	31.02
2012	31.18
2013	31.33
2014	31.49
2015	31.65
2016	31.84