Year	Cases per 100,000
1990	26.92
1991	27.11
1992	27.31
1993	27.51
1994	27.71
1995	27.92
1996	27.93
1997	27.95
1998	27.96
1999	27.98
2000	28.01
2001	28.69
2002	29.38
2003	30.1
2004	30.84
2005	31.6
2006	32.31
2007	33.03
2008	33.78
2009	34.54
2010	35.32
2011	35.75
2012	36.18
2013	36.61
2014	37.06
2015	37.51
2016	37.97