Year	Cases per 100,000
1990	28.31
1991	28.71
1992	29.15
1993	29.61
1994	30.07
1995	30.6
1996	30.91
1997	31.27
1998	31.64
1999	32.01
2000	32.43
2001	32.7
2002	33
2003	33.31
2004	33.63
2005	33.98
2006	34.17
2007	34.32
2008	34.52
2009	34.72
2010	34.96
2011	34.83
2012	34.72
2013	34.63
2014	34.53
2015	34.44
2016	34.38