Year	Cases per 100,000
1990	26.28
1991	26.84
1992	27.41
1993	28
1994	28.6
1995	29.22
1996	29.54
1997	29.86
1998	30.19
1999	30.53
2000	30.87
2001	31.01
2002	31.15
2003	31.3
2004	31.45
2005	31.6
2006	31.57
2007	31.53
2008	31.51
2009	31.48
2010	31.47
2011	31.28
2012	31.09
2013	30.91
2014	30.73
2015	30.55
2016	30.37