Year	Cases per 100,000
1990	21.59
1991	21.49
1992	21.4
1993	21.37
1994	21.01
1995	21.1
1996	21.58
1997	21.96
1998	22.51
1999	22.57
2000	22.65
2001	23.14
2002	23.55
2003	23.98
2004	24.46
2005	24.95
2006	25.06
2007	24.79
2008	24.8
2009	24.99
2010	24.85
2011	25.03
2012	25.96
2013	26.09
2014	26.61
2015	27.34
2016	28.15